D.
–shànglai上来, indicating having the knowledge to do
something.
4.1.1 Lǎoshī wèn wǒ dè wèntí wǒ dōu méi huídáshànglai.
老师问我的问题我都没回答上来。
I
failed to answer any of the teacher’s questions.
Note:
4.2.1 and 3.2.1 are the same in meaning. They are interchangeable.