choose the sentence that should be added after the underlined sentence to build the main topic of the article. A.In Melbourne, Australia, nearly 100,000 people gathered near government offices and filled city streets. B.The U. N. Youth Climate Summit is a platform for young leaders who are driving climate action to present their solutions to a global audience. C.Many of the participants in this year's Global Climate Strike are young people—kids and teens—who skipped school to take part. D."I'm protesting because I'm worried that there won't be clean water for the next generations of children growing up in my village," said Abuya Mutai of Nairobi, Kenya.

the illustration   that would give a reader a clear understanding of the text is a picture of men constructing the frame of a building.the frame is made of iron bars. the text describes the job of blacksmiths'. these were very organised and they had different names: "the driver" and "the heater". the text describes the way in which these men worked ; they worked iron pieces as if they were playing a sport. in fact, the text wants to show the men's skills. the text also puts some emphasis on the use of '' rivets'' in construction. this kind of nails were not always used in the construction of manhattan.

some examples:

"and with an underhand toss he hurled the smoking rivet straight at the catcher, who caught it in mid-air in his catching can." men's skills

"when the driver was ready for a new " the emphasis on the rivet ( special nail used in construction).

" it against a beam to remove any cinders, and jammed it into the waiting hole. " the emphasis on the rivet.

either online or traditional classroom can work for students. which is better will depend on students and teacher. students may have trouble following a lesson in classroom while they can study at their own pace online. other students may have trouble staying focus on their own in online classes. teachers are more used to classroom teaching but they may also be more worry about their jobs teaching online classes and work harder.

where is the sentence at?

the sentences are -

it was all just as it was in the law courts. the doctor put on just the same air towards him as he himself put on towards an accused person.