It is possible that local fire codes, and standards make it necessary to use more restrictive procedures than those given in the subsequent steps.有可能是当地的消防法规和标准使得有必要使用比后面步骤中所 给出的更严格的程序。
A.It is permitted, if the local fire regulations and standards are more stringent than those regulations described in the following steps. B.It is allowed, if the local fire codes and standards are more complicated than those legislations listed in the following steps. C.It is possible that local fire protection regulations, and standards are necessary to be used more restrictive than those mentioned in the subsequent steps.正确答案C
