Select the option that contains a grammatical error in the underlined portion.

I didn’t sleep well last night because the dog is barking.

A

I didn’t sleep well last night because the dog is barking.1

B

I didn’t sleep well last night because the dog is barking.2

C

I didn’t sleep well last night because the dog is barking.3

D

I didn’t sleep well last night because the dog is barking.4