Fill each gap with the most appropriate option from the list option from the list provided.
He does not seem to know how to solve the problem …… ?
The correct answer is: C
Explanation
The sentence should read:
"He does not seem to know how to solve the problem, does he?"
"Does he" forms the correct question tag for a negative statement ("He does not seem to..."), where we use a positive tag after a negative statement for contrast or confirmation.