36题选E, 我们假设那个数为N 那么有 12a+5=18b+11. presume a=a'+1 ; so, 12(a'+1)+5=18b+11 so, 12a'+6=18b and 2a'+1=3b. now we know that 3 is a factor of 3b. so 3b is an odd number. so b is an odd number. if b is an odd number, (18b+11)/8 the remainders vary. if b is an even number the remainder is 3.