The number of cars passing the road near a colony from 6 am to 12 noon has been shown in the following histogram.
During which hour(s) is the number of cars passed less than the average number of cars passed from 7 am to 12 noon?

A

7- 8, 8-9 9-10

B

6-7, 11-12

C

6-7, 10-11, 11-12

D

0-11, 11-12