Select the correct active form of the given sentence.
They were refused entry in Delhi by police.

Options

A. The police can refuse them entry in Delhi
B. The police had refused them entry in Delhi
C. The police have refused them entry in Delhi
D. The police refused them entry in Delhi.

Explanation

(d) The police refused them entry in Delhi. (Correct) (a) The police can refuse them entry in Delhi. (Tense has changed)(b) The police had refused them entry in Delhi. (Tense has changed) (c) The police have refused them entry in Delhi. (Tense has changed)