Sentence Improvement - Verbal and Reasoning

Directions to SolveIn questions given below, a part of the sentence isitalicised and underlined. Below are given alternatives to the italicised part which may improve the sentence. Choose the correct alternative. In case no improvement is needed, option 'D' is the answer.
Q1:

We had nothing to eat since 8'o clock, this morning.

A have had nothing

B has had nothing

C did have nothing

D No improvement

ANS:A - have had nothing

No answer description is available.