题干
—What has made him upset recently?
—____alone to face a troublesome milk case.
—____alone to face a troublesome milk case.
A：Left
B：Being left
C：Having left
D：To leave
答案(点此获取答案解析）
B
转移敌害的注意力，而趁机逃之夭夭，约50天后，可再生出一副新的内脏。下列关于再生的叙述，错误的是（ ）
