Instead of calling________his uncle, he called________my new house with his brother that afternoon.

A．by; for

B．on; at

C．for; on

D．at; by

对孩子的早期教育要顺应其成长规律，坚持哪几项原则？（）

A.具体性

B.连续性

C.及时性

D.兴趣性