We'll give a prize to ___________ passes the test.

A．they can follow a scent just like dogs
B．they can move swiftly under the sea
C．they are hostile to divers
D．they have very strong basic instincts

A．housewives, the wonder women
B．what would happen if housewives went on strike
C．the replacement of women by men as housewives
D．the setting up of a national holiday for housewives