What I think is C. predicate adjective.
Because complicated is used as an adjective in that sentence.
Can't be A because nominative is mostly used for subject.
Can't be B because complicated is adjective and not noun.
Don't know the last one though, but I'm sure that it's not the answer.
An equation for this problem could be- 114+556+557=
I can help! Just post the lines.
Answer:
2. he's going to go take a bath
3.they are going to go buy a car
4.he's going to go make a cup of coffee
5. they are going to go paint their house
6. she's going to go play the piano
