The examination _____ before I reached the Hall.
A
has started
B
did start
C
had started
D
had been started
Correct Answer: had started
Before দ্বারা দুটি clause যুক্ত হলে, Before এর পূর্বের clause টি past perfect tense এ হয়। এবং পরের clause টি past indefinite tense এ হয়। past perfect tense এ sub + had + verb এর past participle বসে।