In Shakespeare's well-known Hamlet, rival means “（ ）”and jump me

In Shakespeare's well-known Hamlet, rival means “（ ）”and jump means “just”.
A、janitor
B、partner
C、collector
D、observer
【正确答案】：B
【题目解析】：词汇含义的演变除了对词汇发展概念的把握以外，该题目更考察了考生的基本功，正确答案为B。