Fill in the blank with the correct preposition:

He was trembling ________ fear.

(A) of
(B) with
(C) by
(D) into

Choose the correct answer from the options given below :

(B) Only

The correct answer is Option (4) - (B) Only

The correct phrase is "trembling with fear". The preposition "with" is used to indicate the cause of the trembling (in this case, fear).