Love, death, revenge, and mystery are considered because they appear frequently in literature
a. closed subjects
b. common theme issues
c. theme statements
d. taboo topics

B. Common theme issues.

Explanation:

In the sentence, it appears the word frequently that gives you a clue about how often are those issues are used in literature. Frequently meant that is used at short intervals.

The other options are not related to the meaning of what the sentence is trying to say.

I hope this answer helps you.

(3x2 + 8) (x – 5)

step-by-step explanation:

verify this answer by multiplying out the parens:

which is the same as the original form of the polynomial