Choose the best topic sentence for the following example paragraph.

There is Dayna, who doesn't make fun of me if I just need
to cry a little bit. Sammi knows that I am actually a pretty
serious guy, and she doesn't care if other people think I'm a
je*k and a joker. The only other person who really knows
me is Rob. He has been my best friend for years and
knows that I am kind of rough on the outside, but that I do
care about other people. These three are the only people
who have ever seen me without my mask.

A. These three are the only people who have ever seen me without
my mask

B. Therefore, I have only a few close friends.

C. Thate masks, but they are necessan

D. Although I have a lot of friends, there are only a few people at
school who have really seen the true me.