What’s a benefit of Responsive Search Ads?

Responsive search ads limit a marketer’s opportunity to compete in more auctions and match to more queries.
Responsive search ads review data to manually choose the best combination of headlines and assets to show users.
Responsive search ads save time by creating one ad with multiple headline and description assets that can be shown in different configurations to different users.
Responsive search ads allow advertisers to share their messages with more potential customers, by permitting ads to display properly for different device sizes.

The correct answer is:

Responsive search ads save time by creating one ad with multiple headline and description assets that can be shown in different configurations to different users.