Fill in the blanks with the most appropriate Preposition choosing from the options given below: 

She is suffering ______ a bad throat infection.

The site of Rajasthan which presents the oldest evidence of animal husbandry?

Direction: - In these questions read each sentence to find out whether there is any error in it. the error, if any will be in one part of the sentence. The number of that part is the answer. If there is no error, the answer is (D). (Ignore errors of punctuation, if any.)

A moment delay ( A )/ would have proved costly ( B ) / in the situation. ( C ) / No error ( D )