Which sentence uses punctuation correctly?

A.
Even if they are friendly to me I'm not always sure what to say to other people.

B.
I try to listen carefully when people are speaking directly to me.

C.
Since I was a young child my parents have raised me to be polite to everyone.

Question

Which sentence uses punctuation correctly?	
 
 A.
Even if they are friendly to me I'm not always sure what to say to other people.
 
 B.
I try to listen carefully when people are speaking directly to me.
 
 C.
Since I was a young child my parents have raised me to be polite to everyone.

anonymous · Answer

i need help with this one please

paki · Answer

there is no punctuation in other sentences except A...

anonymous · Answer

thanks so much

paki · Answer

pleasure