Which sentence contains an inappropriate shift in tense?

A.
The barrier will drop down every time that a train approaches the crossing.

B.
As I came in the front door, Eddie is going out the back door.

C.
If anyone knows the answer, she does.

Question

Which sentence contains an inappropriate shift in tense?	
 
 A.
The barrier will drop down every time that a train approaches the crossing.
 
 B.
As I came in the front door, Eddie is going out the back door.
 
 C.
If anyone knows the answer, she does.

itsbribro · Answer

@tyler**collins can you plz help love?

anonymous · Answer

The answer is A beautiful

itsbribro · Answer

thanx :)

itsbribro · Answer

can you help me with some more plz?