---- It is said that Tom considered the English exam to be very difficult.

---- I have heard that, but he never studied hard. It is “______”.

A．A burden of one's choice is not felt.

B．Actions speak louder than words.

C．A bad workman always blames his tools.

D．A man of words and not of deeds is like a garden full of weeds.

对某一物项的永久性的质保记录是（）

A.应保存30年的记录；

B.保存期至少不短于该物项在电厂中使用寿期的一种质保记录；

C.业主决定要保留的记录；

D.永久不会损坏的记录。