Read each sentence to find out whether there is any grammatical error in it. The error, if any will be in one part of the sentence. The letter of that part is the answer. If there is no error, the answer is 'E'. (Ignore the errors of punctuation, if any).

I am trying to finish this letter for the last one hour I wish you would go away or stop disturbing me.

A.

I am trying to finish

B.

this letter for the last one hour

C.

I wish you would

D.

go away or stop disturbing me.

E.

No error

Correct answer is A

I have been trying to finish