问题
选择题
A reward of $1,000 will be given to can provide any clues to the case which has been investigated by the police for nearly half a year．
A．whoever
B．whomever
C．anyone
D．who
答案
答案：A
考查名词性从句。whoever无论谁，引导宾语从句，在从句中作主语，根据句意选A。