Which excerpt from "Keynote Address" includes an example of an allusion?
A
"The issue before us in such a time is how shall we discharge, how shall we honor our citizenship."B
"Others of the student revolution have publicly burned draft cards and even the American flag."C
"Perhaps by the time my 4-year-old son is grown, men will have learned to live by the Ten Commandments."D
"Is it less immoral now to take the easier course and gamble the lives of our sons and grandsons on the outcome?"