单选题

下面哪段程序可以计算用户输入的两个整数a与b的乘积?(    )

A

a = int(input())

b = int(input())

print(a + b)

B

a = int(input())

b = int(input())

print(a * b)

C

a = input()

b = int(input())

print(a * b)

D

a = int(input())

b = input()

print(a * b)

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