投资者可（）办理账户贵金属业务。
A.本人
B.委托他人
C.委托监护人
D.以上都可以
参考答案：A
腭帆张肌
A．作用为紧张腭帆，开大咽鼓管 B．使软腭上提，咽侧壁向内运动 C．下降腭帆，紧缩咽门 D．上提咽喉，向前牵引咽腭弓，使两侧咽腭弓接近 E．提悬雍垂
I ______ my CD player everywhere, but I couldn't find it. [ ]
A. looked for
B. looked up
C. looked at
D. looked over
