Directions:
Read the 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 No Error. (Ignore the errors of punctuation, if any).

Question:
Solve as per the direction given above:

Option A):
No error.
Option B):
if you had.
Option C):
given you so much trouble.
Option D):
maintained it proper.
Option E):
Your machine would not have.

Correct Answer is Option D):
maintained it proper.

Explanation:
Maintained it properly.