Which of these is a complete sentence?

A. How the early Americans helped each other grow food.
B. The early Americans that helped each other grow food.
C. The early Americans helping each other grow food.
D. The early Americans helped each other & w food.​

Respuesta :

Answer:

D. The early Americans helped each other and grew food.

Explanation:

There is no information missing and the end of the sentence is closed.