问题
选择题
I wish to thank Professor Smith, without _______help I would never have got this far.
A．who
B．whose
C．whom
D．which
答案
答案：B
考查定语从句。without whosehelp="and" without his help。whose引导的是非限制性定语从句，
在句中作“help”的定语，其先行词为“Professor Smith”。句意：我真得感谢史密斯教授。如
果没有他的帮助，我就永远不会（在学术上）走得这么远的。