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:

Practically every part of the banana tree is used by man.

A each part

B any part

C most part

D No improvement

ANS:D - No improvement

No answer description is available.