A．To question the opinion about pocket money.

B．To compare Stephens with other financial experts.

C．To explain that parents should. be strict when children are developing good habits about money.

D．To suggest that pocket money is useless in developing a child’s sense of responsibility.

心电图显示提早出现的QRS波群形态基本正常，提早出现的QRS波群之前有逆行P波，有完全性代偿间歇。请做出心电图诊断。