1. The sum of two natural numbers is 25. Therefore, the product of these two natural numbers cannot be ( ).
(A) 24
(B) 114
(C) 132
(D) 144
【Answer】C
【Analysis】The product of 1 and 24 is $24; the product of 6 and 19 is 114, the product of 9 and 16 is 144, only 132 cannot be obtained.