问题
选择题
—If a=4, b=5, what's the answer to the question "a + 2ab +1 =?"
—_______.[ ]
A. Forty-fifth
B. Forty-five
C. Twenty-three
D. One hundred and twenty-one
答案
答案：B
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—If a=4, b=5, what's the answer to the question "a + 2ab +1 =?"
—_______.[ ]
A. Forty-fifth
B. Forty-five
C. Twenty-three
D. One hundred and twenty-one
答案：B