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).
Scarcely had I finished washing the car than the master came and asked me to clean the floor of the house.
Scarcely had I
finished washing the car
than the master came
and asked me to clean the floor of the house.
No error
Correct answer is C
when the master came