One of the four sentences given in each question is grammatically wrong. That alternative is your answer:-

A Neither you nor i am in a sound position.

B Laziness is detrimental for success

C He begged the favour of my granting him leave

D Your action is not in conformity with the law

Correct Answer: Option B

Detrimental-এর পর preposition ‘to’ হয়।
সঠিক বাক্যটি হবেঃ Laziness is detrimental to success.