The use of which technique of Web writing can make a write-up easy, engaging, and interesting, and also satisfy the anticipation of "what's next" in the readers?

In which phase of the satisfaction step does the speaker forestall opposition by answering possible disagreements that might be raised?

a. statement b. explanation c. theoretical demonstration d. meeting objections

Dave, a planetary scientist, believes that a manned flight to Mars is possible based on his research findings. He prepares to propose the idea to his fellow scientists. He wishes to convince them to join him in the research and planning for the mission. He says "Thanks to my research findings, a manned flight to Mars is possible." His statement is an example of a _____

A) ?proposition of fact
B) ?proposition of cost
C) ?proposition of policy
D) ?proposition of value