Which answer best completes the sentence?

Some of Mexico’s rivers are the _____

A.Grijalva, the Usumacinta, and, the Conchos.
B.Grijalva, the Usumacinta, and the Conchos.
C.Grijalva the, Usumacinta and the, Conchos.
D.Grijalva the Usumacinta, and the Conchos.

Question

Which answer best completes the sentence?

Some of Mexico’s rivers are the _____
 	
	A.Grijalva, the Usumacinta, and, the Conchos.
	B.Grijalva, the Usumacinta, and the Conchos.
	C.Grijalva the, Usumacinta and the, Conchos.
	D.Grijalva the Usumacinta, and the Conchos.

anonymous · Answer

B. 
Because you dont put a comma after and but you need at least three of them for this sentence