Had I know his true intentions, I→would had never alllowed him to come.
A
would had never allowed
B
would have never allowed
C
would never had allowed
D
would never allow
Correct Answer: would have never allowed
Had I known = If I had known. সুতরাং এরপর would have + v_3 বসবে। If যুক্ত অংশে Past Perfect Tense হলে পরের অংশ would have done বা would have allowed বসে। সুতরাং সঠিক উত্তর (b)।