In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

Delhi had been captured, ransacked and rebuilt several (a)/ times and modern Delhi is a cluster of a number (b)/ of cities spread across the metropolitan region. (c)/ No error (d)

A

a

B

b

C

c

D

d