Question

what is an example of something rigorous?
a. an entertaining and fun film that is very popular at the moment.
b. a relaxed conversation with someone that you really enjoy.
c. a strict assignment for the military that requires much work.
d. im not sure

Explanation:

The word "rigorous" means strict, thorough, and demanding. Option a describes a popular film (fun, not rigorous), option b describes a relaxed conversation (casual, not rigorous), while option c involves a strict, work - intensive military assignment, which fits the meaning of rigorous.

Answer:

c. A strict assignment for the military that requires much work.