— Your suitcase seems very heavy. Need any help? — ________

A．That all depends!

B．No, thanks. I can manage it myself.

C．It’s a pleasure.

D．It couldn’t be better. Thank you all the same.

心电图V₃、V₄导联为中心的巨大倒置T波最可能的病因是（）

A.扩张型心肌病

B.室间隔肥厚型心肌病

C.心尖部肥厚型心肌病

D.心肌均匀肥厚型心肌病

E.限制型心肌病