×
单选题
898、某些情况下,尤其是对于复杂的飞机,可能需要针对飞机及其系统的适当维修提供专门培训。
A
Sometimes, especially for complex airplanes, it may be necessary to provide specific training in the proper maintenance of the airplane and its systems.
B
Sometimes, for particularly complex airplanes, itis required to provide special training so as to perform proper maintenance of the aircraft and its systems.
C
In some cases, for complex aircraft, special training should be conducted so that the aircraft and its systems can be maintained properly
答案解析
正确答案：A
