—Do you think you can repair the car by yourself?

—______.  It's not the first time for me.[ ]

A. Don't worry

B. Hurry up

C. Sorry, I can't

D. Not at all

无病理性Q波的心内膜下心肌梗死，哪项检查诊断价值更大（）

A.心电图

B.心尖搏动图

C.血清心肌酶学检查和心肌肌钙蛋白测定

D.超声心动图

E.心导管检查