Choose the correct figurative language device for the following quote?

"A book is a loaded gun in the house next door."

Okay can someone tell me the answer to this problem bc i have to buy it now and i don’t wanna do that

In expanded academic asap and other periodical databases, it’s best to put your exact phrase

How can you avoid the problem of groupthink? a. by choosing a group leader to direct the group b. by composing the team of only like-minded individuals c. by encouraging all members to voice their opinions d. by keeping quiet when you disagree with another group member's opinion