The answer is the first one because it talks about: using a phone can put others at risk.
B) rang
My aunt rang the dinner bell.
The answer is most likely "Is"
riding my bike down a steep hill
Answer: The World Trade Center Towers fell on September
11.2001
Explanation: Please don't simply copy and paste your questions; sometimes the formatting goes all wacko, like it did here. Also, double-check that ALL the information pertaining to the question is included; I'm not entirely sure that this answer is correct, due to the fact that there is no "line" to even read. :)
