The nurse is teaching the client how to use a cane. Which of the following statements is most inaccurate

A．The client should hold the cane on the involved side.

B．The client should hold the cane close to his body.

C．The stride length and the timing of each step should be equal.

D．The nurse should stand behind the client to prevent falls.

早期梅毒的病程为()

A．2个月内

B．2年内

C．2个月以上

D．2年以上