A Recent Study of Coupon Redemption Patterns Found

A recent study of coupon redemption patterns found:

A) many coupons are redeemed just before the expiration date rather than in the period following the initial drop
B) most coupons are redeemed immediately following the initial coupon drop
C) most coupons are redeemed on Thursdays
D) most consumers do not use coupons
E) none of the above is true