John is a great travelling ________: funny and sensible at the s

John is a great travelling ________: funny and sensible at the same time.
A、company
B、companionship
C、comparison
D、companion
【正确答案】：D
【题目解析】：company 公司：companionship 友谊；comparison 比较；companion 同伴；因此D 符合题意。