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).
Are you aware that by making me waiting for a long time my schedule is getting upset?
Are you aware that
by making me waiting
for a long time
my schedule is getting upset?
No error
Correct answer is B
by making me wait