A：more than twice
B：as twice as many
C：twice as many a
D：more than twice as many
—Oh, my God! I can't find my key to the office.—Don't worry. Perhaps it______________ in your home.
在“伏安法测电阻”的实验中，如果被测电阻大约为80Ω，选用的电源电压为1.5V，选用的电流表量程为0.6A，对于电流表和电源电压的选择，下列说法中正确的是（ ）
