Accordingtoharmonised1988Protocol，thedurationofpassengerShipSafetyCertificateshallnotexceedg：（）A、5yearsB、36monthsC、24monthsD、12months
题目
Accordingtoharmonised1988Protocol，thedurationofpassengerShipSafetyCertificateshallnotexceedg：（）
- A、5years
- B、36months
- C、24months
- D、12months