In sentence 1, the underlined word is SUBJECT.
In sentence 2, the underlined word is A DIRECT OBJECT.
In sentence 3, the underlined word is PREDICATE.
In sentence 4, the underlined word is NONE OF THE ABOVE.
In sentence 5, the underlined word is AN INDIRECT OBJECT.
Engage with the text that you read
I think the answer is C but I don't know if I am sure. sorry