—Excuse me, sir. Smoking __________ in the gas station.
—Oh, I'm really sorry.
A:doesn't allow
B:isn't allowed
C:aren't allowed
①意识活动具有直接现实性
②意识活动具有目的性和计划性
③实践具有主观能动性
④意识能够促进客观事物的发展
He has a____lesson on____.