Question

Select the best word to fill in the blank.

He couldn't __________ his argument.

(1 point)
Responses

A) baffled

A) baffled

B) insinuated

B) insinuated

C) indigenous

C) indigenous

D) substantiate

D) substantiate

Answer 1

The best word to fill in the blank is:

D) substantiate

So the complete sentence would be: "He couldn't substantiate his argument."