question_answer

Four sentences are given below on same theme. You are to identify the sentence which is grammatically most suitable for a formal writing in English.

A)  Hoping to be hearing from you, I remain yours sincerely.

B)  Hoping to hear from you, I remain yours sincerely.

C)  Hoping to have heard from you, I sincerely remain yours.

D)  Sincerely I remain yours hoping to be hearing from you.

E)  None of these