Which sentence contains an introductory phrase?
A. Because of the rise in petty crime, a curfew will be in effect at
11:00 p.m.
B. Neanderthals thrived alongside humans; moreover, the two
species interacted.
C. The doctor asked the nurse for his opinion, but the nurse only
shrugged at her.
D. The color blue creates a feeling of coolness, whereas yellow
excites the eye.