If you want to develop inner tranquility, you have to stop __________

If you want to develop inner tranquility, you have to stop __________ by every little thing that happens.

• A. bothering
• B. being bothered
• C. to bother
• D. to be bothered

stop V-ing(dừng hẳn làm gì) + by… => bị động stop + being + P2