疑病症与精神分裂症的鉴别主要是

A．后者疑病内容常离奇、不固定，前者多较固定
B．后者有思维障碍及幻觉、妄想，前者无妄想
C．后者缺乏自知力，不积极求治，前者积极主动求治
D．后者经抗精神病治疗有效，前者则困难
E．以上均是

Here ______ my family tree, and there are six people in my family. [ ]

A. is

B. am

C. are