Four plus nine ______thirteen. Twelve divided by three ______fou

Four plus nine ______thirteen. Twelve divided by three ______four.
A、are, give
B、makes, gives
C、are, are
D、make, are
【正确答案】：B
【题目解析】：以数字做主语的词或短语中，两数相加谓语动词单数或复数动词均可，但减法、乘法和除法谓语动词通常用单数。