Which word shows the best meaning of the underlined word in this paragraph?


My grandparents are taking a trip for their fiftieth anniversary celebration. Part of it is a train excursion that is to last eight hours. That includes three hours for lunch and shopping. They are also taking a side expedition to a cave.


A.

journey


B.

passage


C.

tunnel


D.

exercise


(the underline word is excursion)