溶原性细菌具有（），（），（），（），（）等特点。
参考答案：遗传性,自发分裂,诱导免疫性,复愈,溶源转变
Mary was much kinder to Jack than she was to the others, _______, of course, made all the others upset.
A．who
B．which
C．what
D．that
十根本烦恼
