Умоляюююююююююююю помогитееееее Choose the correct tense form . The travellers ..........

Question

Умоляюююююююююююю помогитееееее
Choose the correct tense form .
The travellers ....... alredy ..... for the trip by that time yesterday .
A) have prepared
B) are preparing
C) prepared
D) had prepared

Answer 1

The travellers had already prepared for the trip by that time yesterday .(D )

Answer 2

Had prepared , т.к "by the time" относится к PAST PERFECT