It was high time we ---- our habits.
A
Change
B
Changed
C
Had changed
D
should change
Correct Answer: Had changed
It is high time- এরপর sub আসলে - এরপর verb - এর past form ব্যবহৃত হয়। Change এর past form হলো changed। এবং It was high time এর পরে had + v হবে।