Which sentence includes a nonrestrictive clause that is punctuated correctly? We ate pistachio ice cream—which is my favorite and played laser tag. We ate pistachio ice cream which is my favorite, and played laser tag. We ate pistachio ice cream—which is my favorite—and played laser tag. We ate pistachio ice cream (which is my favorite and played laser tag).

We ate pistachio ice cream—which is my favorite—and played laser tag.

Explanation:

The which is my favorite clause is not required to form a complete sentence, so it is sectioned off.

to inform the reader that the text will take a second look at the grimms’ original tales

the correct answer is option d. none of these. it is noted that options a, b, and c share the same content.

despite the valid answer provided at the last sentence of each of the options, a question/answer format shouldn't include humourous themed responses such as "you bet your thermal pj's we do." - unless of course, the answer is carried out in an informal environment. this could be replaced with a simple "yes" or "it is necessary".

the question should be re-phrased to a more appropiate syntaxis. instead of "do we need the greenhouse effect? ", it should be written as "is the greenhouse effect necessary? " in order to give it a general scope, instead of limiting the answer to the needs of "we" the humans.