The Browns sent lots of invitations for their party. But because of the improper time, few people _____ it.

A．attended

B．accepted

C．received

D．enjoyed

储存、搬运、使用氧气瓶、乙炔瓶时，正确的做法是（）

A.气瓶、阀门、焊具、胶管等应均匀涂抹油脂

B.压力表、安全阀、橡胶软管和回火保护器等不必定期校验或试验

C.气瓶与实际焊接或切割作业点的距离应大于5m

D.气割作业氧气瓶与乙炔瓶之间的距离不得小于5m