It was for this reason ______ she moved out of New York and settled down in a small village.

A．which

B．why

C．that

D．how

患者，男性，42岁，发现右眼上睑外上方包块3个月。查体，右眼视力正常，右上睑可扪及一鸽蛋大小包块，质硬，无压痛。眼球向前下方突出，向颞上方转动受限。余未见明显异常。

下列选项中最能帮助诊断的检查是（）

A.血常规

B.胸片

C.心电图

D.B超

E.泪液分泌试验