Question

Identify the option containing a sentence fragment.

A.
The earthquake hit at 9:00, threatening their very lives.
B.
The earthquake hit at​ 9:00, and it threatened their very lives.
C.
The earthquake hit at​ 9:00. Threatening their very lives.
D.
The earthquake hit at​ 9:00. It threatened their very lives.

Answer 1

The answer is (C), becuse the reader does not now was is threatening the characters lives. In the other answers it told "it" was thereatening their lifes. This is why (c) has the sentence fragment.