Which sentence contains an incorrectly punctuated appositive?

A.
My father an expert in the field of astronomy recently discovered a comet.

B.
The popular author Dr. Seuss wrote The Cat in the Hat in 1957.

C.
Louis Armstrong, a pioneering jazz trumpet player, was born in New Orleans.

D.
Mrs. Ramirez, my art teacher, is from Argentina.

Question

Which sentence contains an incorrectly punctuated appositive?
 
 A.
My father an expert in the field of astronomy recently discovered a comet.
 
 B.
The popular author Dr. Seuss wrote The Cat in the Hat in 1957.
 
 C.
Louis Armstrong, a pioneering jazz trumpet player, was born in New Orleans.
 
 D.
Mrs. Ramirez, my art teacher, is from Argentina.

anonymous · Answer

@Destinymasha maybe you can help with this one

anonymous · Answer

I think its B

destinymasha · Answer

My father an expert in the field of astronomy recently discovered a comet. 
-a comma should be after father and astronomy

anonymous · Answer

oh okay thank you

destinymasha · Answer

i don think a comma has to be besides author on B?

destinymasha · Answer

welcome

anonymous · Answer

B bc there is no , after father