Which one of the following sentences contains a coordinating conjunction?

A. Since it's Tuesday, you should carry out the trash.
B. Howard was brave, and he was strong.
C. Since Candace likes vanilla ice cream, please buy some for her.
D. Bobby Jo keeps trying, although she's sure to fail.

Question

Which one of the following sentences contains a coordinating conjunction? 
    
A. Since it's Tuesday, you should carry out the trash.
B. Howard was brave, and he was strong.
C. Since Candace likes vanilla ice cream, please buy some for her.
D. Bobby Jo keeps trying, although she's sure to fail.

anonymous · Answer

Isn't it obvious :| 
It's A 
"carry out"