Alena Is Listening to a Speaker's Evidence During a Speech

Multiple Choice

Alena is listening to a speaker's evidence during a speech on genetically modified foods. According to your textbook, Alena should be asking:

A) Is the evidence from objective sources?
B) Is the evidence consistent with the speaker's delivery?
C) Is the evidence relevant to the speaker's claims?
D) all of the above.
E) a and c only.