Which word or words and punctuation best corrects any errors in the sentence?

She packed six shirts, three pairs of jeans, pajamas, and a cosmetics bag but the key to the suitcase was left behind on her desk.

A.
packed:

B.
There is no error in this sentence.

C.
bag, but

D.
bag; but

Question

Which word or words and punctuation best corrects any errors in the sentence? 

She packed six shirts, three pairs of jeans, pajamas, and a cosmetics bag but the key to the suitcase was left behind on her desk.
 
 A.
packed:
 
 B.
There is no error in this sentence.
 
 C.
bag, but
 
 D.
bag; but

anonymous · Answer

I think it might be C

anonymous · Answer

but then again it could be A

xx_gamergirl_xx · Answer

I believe it is C as well so you should be correct if my knowing is right but if I am wrong very sorry

anonymous · Answer

Ok thank you very much! And I'll forgive you XD

anonymous · Answer

It happened to be D for those who may look this question up on the internet