Question

Which of the following sentences shows a periodic pattern?

A.there are two ducks in one pond

B.there is meat next to the cheese in the refrigerator

C.a boy waits five minutes to talk to his father

D.the mother takes her medication everyday at seven

Answer 1

I think the correct answer from the choices listed above is option D. It is the situation that the mother takes her medication everyday at seven shows a periodic pattern since taking her medication should be done at the same time for a certain period of time.