Evdence has been found through years of study         children’s early sleeping problem are likely to continue when they grow up.

A．why

B．how

C．whether

D．that

上星穴位于（）

A.前发际上

B.入前发际0.5寸

C.入前发际1寸

D.入前发际1.5寸

E.入前发际2.5寸