Which identifies an explicit meaning of the excerpt

The sentence that identifies an explicit meaning of the excerpt is "His topic of human knowledge is worth the time and effort it requires. "

Explanation:

The question is not complete since it does not provide the necessary information. Here is the complete question:

Read the excerpt below and answer the question.

...it is certainly a subject worth our labour to inquire into the origin, certainty, and extent of human knowledge, together with the grounds and degrees of belief, opinion, and assent;... ("An Essay Concerning Human Understanding"; Introduction, p. 1).

Which identifies an explicit meaning of the excerpt?

A) His topic of human knowledge is worth the time and effort it requires.

B) Belief is a phenomenon few people can explain.

C) His theory of how humans obtain knowledge is questionable.

D) Human knowledge is boundless

These few lines from "An Essay Concerning Human Understanding"

did you ever get an answer? i'm on the same question : (

greet them:

buenas noches.

that is considered night time which is when "good night" is used.