複選題
30. According to the passage, which of the following sentences is correct?
(A) The morality bank in the city of Yanji is a private enterprise.
(B) The clients of the morality bank who help someone in danger once may have free haircuts for four times at most.
(C) The majority of the morality banks in China have poor management except the one in Yanji.
(D) Many clients of the morality bank in Yanji are school children.