I think that the answer is that she mad him more caring by her example
B, Sentence 4. The explanation, "her old friend," should be set off by parenthetical commas.
Well considering how a 3.5 is As and Bs, I would say a B or a C
Hey there !
The answer to your question is...
A. Noticing unfamiliar words
I hope I was able to help you out ! :DD