Singer Presents His Three-Premise Argument in Addition to Appealing to the Case

Singer presents his three-premise argument in addition to appealing to the case of the drowning child because

A) he believes that abstract arguments are more likely to convince one to act.
B) he argues that our emotional reactions have no bearing on which moral claims are true.
C) he believes arguments are a more efficient way to appeal to one's emotions.
D) he wants to appeal to the reader's reason and not just pull at the reader's heartstrings.