Question

Using parallel structure means

A-changing tense within verb structure.
B-using one of five key structure words
C-using the same tense and structure
D-including driving directions in writing

Answer 1

Using parallel structure means C-using the same tense and structure.

This means that the same pattern of words should be used in order to show 2 or more ideas equally in terms of importance. It might help the reader understand better what is written. It most cases a colon is used to separate parallel structures. 

Answer 2

Answer:

C-using the same tense and structure is the right answer!