He goes to the movies once in a blue moon a. every month
b. seldom/on rare occasions
с. biweekly
d. every now and then

the answer is b

Explanation:

once in a blue moon means almost never.

George used to to treat Lennie like a puppet. He was impressed with himself because he could make Lennie do whatever he wanted. This also had almost fatal consequences as Lennie, who could not swim, jumped into the river on George's orders.