the answer is the full moon.
Answer: A speech
Explanation:
It's a speech because it involves a prepared message an audience and a message for them to decode, it could be on any subject matter, the subject matter is to be understood, that is the purpose to be achieved
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