Which verb agrees in number with its subject?

Either my cousins or my sister __________ out at the fair today.

A.
is helping

B.
have been helping

C.
are helping

D.
were helping

Question

Which verb agrees in number with its subject? 

Either my cousins or my sister __________ out at the fair today.
 
 A.
is helping
 
 B.
have been helping
 
 C.
are helping
 
 D.
were helping

anonymous · Answer

Please do not give direct answers..

anonymous · Answer

the answer is a
Because only one of the two is helping out at the  fair so the helping verb would be singular

anonymous · Answer

Please do not give direct answers..

anonymous · Answer

What do u think Kawaii

anonymous · Answer

I gave a explation with the answer

anonymous · Answer

I thought C but she said A SOO IDK KNOw now

anonymous · Answer

Okay thats fine but please not direct answers!

anonymous · Answer

Is it Right ??

anonymous · Answer

Yes its c

anonymous · Answer

ok

anonymous · Answer

Excellent!!

anonymous · Answer

Giving out direct answers is still not allowed, but we all make mistakes, i'll let you slide.

anonymous · Answer

Neon is right

anonymous · Answer

But i'll let you go this time but next time no direct answers PLEASE!

anonymous · Answer

it is not c because only one is helping out at the fair. you are wrong @Ayesha11