Answer:
C. complete subject
Explanation:
A compete subject is a group of words that performs the action in a given sentence. It answers the question, "who", "what", etc.
Therefore, from the sentence, "(Most of the passengers) received their refunds within a week*, the words in bracket is a complete subject.
Hodjia's wife speaks first and loses the contest because she is in shock.
2.hue
4.solace
5.providence
6.aloof
7.commodity
Give me a minute, I’m working on the others