Question

Yellowstone National Park... by millions of tourists every year. C is being visitedB visitedA is visited​

Answer 1

Ответ:

C)

Объяснение:

А и В не подходят по грамматике

Answer 2

I'd go with "is visited." So the sentence would be: Yellowstone National Park is visited by millions of tourists every year. Nice touch with the grammar pondering! Anything else you want to explore in the wilds of language?