Which correctly uses commas to set off nonessential information in the sentence?

A) Originally thought to be a cure for nausea Coca Cola is the number one selling soft drink in the world.
B) Originally thought to be a cure for nausea, Coca Cola is the number one selling soft drink in the world.
C) Originally thought to be a cure for nausea; Coca Cola is the number one selling soft drink in the world.
D) Originally thought to be a cure for nausea, Coca Cola is the number one selling soft drink, in the world.

Read the section "trump wants a change in terms."which sentence from the section shows why there are discussions about the future of nafta? a)he has said that he wants to change the terms of the agreement and has even threatened to pull the u.s. out of nafta.b)in response, negotiators from all three countries have been meeting to discuss possible changes to the agreement.c)the sixth round of talks was held in montreal, canada, on january 29.d)nafta has allowed goods to travel freely across north america.

If a sentence is a run-on, correct it. if it is correct as written, write correct. 1.)i looked down. i saw that the well was apparently dry. 2.)we read the preamble to the constitution, our group felt anew the power of those words. 3.)the boy had trouble with the decimal point when multiplying he always put it in the wrong place. 4.)the thermometer broke, the mercury spilled onto the floor. 5.)i mislead my car keys, my house keys were also gone. 6.)it is against the law litter, neveretheless, people do it. 7.)ann threw away the check, but she eventually recovered it. 8.)i generally like the climate of the area where i live i do not enjoy subfrezzing winter temperatures. 9.)everyone should be polite, however many people are rude. 10.)i made my own chili to eat it one needs an iron stomach.

Suppose you need to verify how to correctly use commas. you open your english textbook and scan the chapter titles. in which one would you most likely find the information you need? ; ; ; ; that's the ? im having truble with