Which of the following passages uses non sequitur?
a) Diana asked Manuel what time they should leave for dinner. He replied, "It's really raining hard outside!"
b) Diana told Manuel that she really wanted to go out to dinner that night because everyone else was going.
c) Manuel assumed without asking anyone that because it was raining, everybody was going to stay home that night.
d) When Manuel suggested they not go out to dinner because of the weather, Diana accused him of not wanting her to have any fun.