问题补充：
— Jack said the paper was too hard when he was asked why he failed the exam again..
— Well, .
A. a bad penny always turns up
B. a bad workman always blames his tools
C. an early bird catches the worm
D. an apple a day keeps the doctor away
答案：
A. a bad penny always turns up
(答案→)B. a bad workman always blames his tools
C. an early bird catches the worm
D. an apple a day keeps the doctor away
解析：可联系答.案.网客服索取。
