来自童云的问题
【主语从句的题,15._____isapitythatheshouldfeelsoupset.DA.WhatB.ThatC.HeD.It16._____aspoonfulofsoilcantellussomuchaboutthestructureandearlyhistoryofthemoon.A.RemarkableB.QuiteremarkablyCC.ItisremarkablethatD.It】
主语从句的题,
15._____isapitythatheshouldfeelsoupset.D
A.WhatB.ThatC.HeD.It
16._____aspoonfulofsoilcantellussomuchaboutthestructureandearly
historyofthemoon.
A.RemarkableB.QuiteremarkablyC
C.ItisremarkablethatD.Itisremarkable
麻烦给个详细的点的解析,比如第一题为什么选D,为什么不选别的.

