患者，女性，26岁。数周前与他人争吵遂出现心慌不安，看病时无心慌。既往身体健康。心电图提示窦性心动过速。时隔二月，患者心慌加重，动则为甚，每因烦扰而发，静则好转，伴气短乏力，头晕，面色少华。其最佳治法是

A．补血养心安神

B．益气养心安神

C．镇惊定志安神

D．滋阴清心安神

E．益气养阴安神

My son has changed so much that I could hardly __________ his voice on the phone.

A．recognize

B．realize

C．hear

D．find