Had I known in advance, I... enough money.

A would take

B would have taken

C take

D wanted to take

Correct Answer: Option B

Third conditional এর নিয়মানুযায়ী if/had (যদি) যুক্ত অংশে past perfect tense থাকলে অন্য অংশে sub + could/ would/ might + have + vs বসে।