Question

To clarify connections you want to stress in your writing, use _____.

Answer 1

Any word or phrase  that is  used to move from one idea to the next,  or one paragraph to the next transitions are used. These are used to clarify connections you want to stress in your writing.

so 

To clarify connections you want to stress in your writing, use
transitions
so correct option is C
hope it helps

Answer 2

C) Transitions Is the Answer here.