Explanation

Question:

If it is true that the streets and the sidewalks are wet whenever it is raining, which of the

following must also be true?

conditions:

I. If the streets and sidewalks are wet, it is raining.

II. If the streets are wet but the sidewalks are not wet, it is not raining.

III. If it is not raining, the streets and sidewalks are not wet.

A: I only

B: II only

C: III only