Frank studied for two M.A. degrees, and he earned a doctorate before he landed his current post, as a math instructor.

Choose the selection in which the sentence is properly punctuated.
Responses

A NO CHANGENO CHANGE

B Frank studied for two M.A. degrees, and he earned a doctorate before he landed his current post as a math instructor.Frank studied for two M.A. degrees, and he earned a doctorate before he landed his current post as a math instructor.

C Frank studied for two M.A. degrees and he earned a doctorate before, he landed his current post, as a math instructor.Frank studied for two M.A. degrees and he earned a doctorate before, he landed his current post, as a math instructor.

D Frank studied for two M.A. degrees, and he earned a doctorate before he landed his current post; as a math instructor

1 answer

The correct option is:

A NO CHANGE

The original sentence is properly punctuated as it is.