Which of the following statements about MODS are correct? (下面关于MODS的说法哪些是正确的？)

A、MODS are designed to replace MARC (MODS是被设计用来取代MARC的).;

B、MODS and MARC were developed and maintained by the same organization （MODS和MARC是由同一机构开发和维护的）.;

C、MODS has the same complexity with MARC （MODS与MARC具有同样的复杂性）.;

D、MODS and MARC have a lot of overlap （MDOS与MARC具有很大的重合）.