“冰冻三尺非一日之寒”、“不积跬步，无以至千里”、“合抱之木，生于毫未”共同蕴涵的哲理是     [     ]

A．有量变就会引起质变                          

B．量变是质变的必要准备    

C．量变是质变的必然结果                       

D．要抓住时机，促成质变

The second Sunday of May is ______ Mother’s Day. It’s ______special day for children to show their love for their mothers.

A．a；the

B．the；a

C．不填；a

D．不填；the