P & G's Pampers disposable baby diapers became a success in the market, because______.
A.
cloth-substitute paper products are the cheapest in the market and attract most consumers, especially married women
B.
the sensitive executives of P & G added new products in response to the changes and demands of the target market
C.
the alert executives of P & G took a threat as a signal and lowered the price of their products responsively
D.
the alert executives of P & G tried to keep the high volume sales by cutting the prices of their products