To me underlies ( lay hidden in the context) seems to be correct.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
soheil1I marked 'd', but the key says something else.'accomplishes' may seem correct to you, but native speakers think of 'accomplish' as something a person does. In this case it's a matter of "what", not "who". Also, we don't "accomplish a process". 'accomplish' doesn't go with 'process'. The key should say "a": underlies.
soheil1can't accomplish be correct too?No. Even though you will occasionally see a non-person as the subject of the verb accomplish, in this case the object is more important. to accomplish a process just isn't very good, especially to accomplish the process of forgetting. Forgetting is very hard to conceptualize as something that is a