Answer:
in-, il-, im-, ir- The prefix in- changes its form to il- before an l; to im- before b, m or p; and to ir- before r. This prefix (and its variations) have two meanings. Meaning 1: not, without.
The answer is b because it gives both takes on the topic in hand.
I believe it would be B, because there are two subjects that the speaker is referring to at the beginning of the sentence; the caterpillar and the leaf. When they use the word "it" in the second half of the sentence it is unclear whether they mean to say if "it" is the leaf or the caterpillar which they are carrying to their brother.
there might be alot of meaning for fr but I think
fr= for real