A good many proposals were raised by the delegates，( )was to be expected.

A good many proposals were raised by the delegates，( )was to be expected.
A：that
B：what
C：so
D：as
D
as在此句中是关系代词（可译为“正如，正像”），替代逗号前面的整个主句，引导非限制性定语从句，对前面主句作补充说明。译：正如所预期的那样，代表们提出了很多建议。
英语     英语     proposals     delegates     expected     raised