Read the sentence below to find out whether there is any grammatical error in it. The error if any will be in one part of the sentence . If there is no error the answer is D . Mark the answer in the response sheet.
P. because they had so little Q. Thousands of years ago, R .our ancestors had to save and store S. whatever they could save
AA) No sooner had his
BB) father come home
CC) then he started reading
DD) No error