I am not sure what section you are referring to but probably because the sun is a star.
Answer:
This statement is true:
C Some words that are usually nouns can function as adjectives.
Explanation:
The B sentence is not finished, so it is hard to say if it true or not.
Here are the answers
C
A
D
A
C
D
D
A
B
B
B
A
Answer:
Making this difficult choice requires a great deal of careful thought.
Explanation:
Typically in english you place the adjective before the noun.