Which verb form correctly completes the sentence? Is the verb singular or plural?

The original artist of these paintings __________ to be Leonardo da Vinci.

A.
seems, plural

B.
seem, singular

C.
seems, singular

D.
seem, plural

Question

Which verb form correctly completes the sentence? Is the verb singular or plural? 

The original artist of these paintings __________ to be Leonardo da Vinci.
 
 A.
seems, plural
 
 B.
seem, singular
 
 C.
seems, singular
 
 D.
seem, plural

kyanthedoodle · Answer

Which one do you think it is? (Remember that there's only ONE artist)

anonymous · Answer

A?

kyanthedoodle · Answer

Well seems is the correct word, but it's not plural.

anonymous · Answer

Oh C! :)