Which of the following is (are) NOT true of theophylline.. Chemically related to caffeine



Which of the following is (are) NOT true of theophylline?
1. Chemically related to caffeine
11. Increases the contractile force of the heart
111. Causes CNS depression

A) 1 only
B) 111 only***
C) 1 and 11 only
D)11 and 111 only
E) 1 , 11 and 111.