Financially, parents are expected to provide food and clothing for their child.
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.
According to thehindu.com, it was defined that "true heroism" is:
A trusted friend and mentor described the concept of heroism<span>, not as an instinctive demonstration of bravery, but as an unselfish act performed even when aware of danger to self, through surmounting the fear by acting with courage.
</span>I hope my answer has come to your help. God bless and have a nice day ahead!
He says his name is nobody with the kyclops