集团诉讼是共同诉讼的一种特殊形式，其当事人一方或双方至少为( )人以上。
A．3
B．5
C．8
D．10
参考答案：B
Everyone should keep on getting himself educated so as to be______modern technology.
A．good at
B．successful in
C．up to date with
D．interested in
简述眼球穿通伤及其预后与哪些因素有关。
