Will give out medals. Are the verb tenses in the sentence consistent, or do they shift unnecessarily?

During the game, the coach dozes off, but he soon jumped back into action.

Question

Will give out medals. Are the verb tenses in the sentence consistent, or do they shift unnecessarily? 

During the game, the coach dozes off, but he soon jumped back into action.

anonymous · Answer

A.
The verb tenses shift.
 
 B.
The verb tenses are consistent.

anonymous · Answer

They shift, so A. If they were consistent, it would say that the coach 'dozed off' not dozes off, or that he dozes off but soon jumps right back into the action