1. 

The bookstore has a better selection of postcards than the newsstand does.
The selection of postcards at the drugstore is better than at the bookstore.
The drugstore has a better selection of postcards than the bookstore or the newsstand.
If the first two statements are true, the third statement is
A. true
B. false
C. uncertain

Answer: Option A

Explanation:

Of the three, the drugstore has the best selection of postcards.