Question

What words serve as clues for readers of comparison/contrast writing?

a. Signal words
b. Research words
c. Boldface words
d. Multisyllabic words

Answer 1

Multisyllabic and boldface words are irrelevant to the question. One can make comparison/contrast writing without research so the answer is Signal words.

Answer 2

a. Signal words

Step-by-step explanation:

Signal words are explicit words that you can use to change between the distinctive thoughts in your paper clearly and naturally.