Select the most appropriate word to fill in the blank.
He would have preferred anger to her cold ___________.

The correct answer is (a) indifference.
Explanation:
The word "indifference" means a lack of interest, concern, or sympathy. It is the correct word to describe someone's cold and emotionless behavior. The other options do not fit grammatically.
Meanings of all options:
· Indifference: Lack of interest or concern.
· Differently: In a different manner (adverb).
· Difference: A point or way in which things are not the same.
· Indifferent: Having no particular interest or concern.
Correct sentence:
"He would have preferred anger to her cold indifference."