Choose the correct statement —

A

$$A = \left\{a^n b^n \mid n = 1, 2, 3, ........\right\}$$ is regular language

B

The set B, consisting of all strings made up of only a’s and b’s having equal number of a’s and b’s defines a regular language

C

$$L(A * B)\cap B$$ gives the set A

D

None of the above