In these question, a sentence/a part of the sentence is in bracket. Below are given alternatives to the in Bracket part at (a), (b), (c) which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is (d)Question: The student's interest was (raised) by an article he had read.

• A. quickened
• B. Multiplied
• C. increased
• D. No improvement