Answer: it should be threshold
Explanation:
A means the same thing as the English words under the Chinese definition
B means it usually sleeps for 15 minutes at night
C he goes to bed at 10:15 at night
D means he usually goes to be at 10:15 at night
This is probably late but it’s B. European
Znam tylko azjatycki standard urody, proszę opisać, co masz na myśli.