下面哪一个式子可用于计算x个星期的小时数请选择DCBA6V'p0A,O9m'X8k.F*C6W9`8q-O'Y1V6r.u3|0D)u7c
A.x(7+24)*C6W9`8q-O'Y1V6r.u3|0D)u7c
B.x(7×24)*C6W9`8q-O'Y1V6r.u3|0D)u7c
C.x(7×52)*C6W9`8q-O'Y1V6r.u3|0D)u7c
D.x(52÷24)*C6W9`8q-O'Y1V6r.u3|0D)u7c