初三英语—WhatagreattimetheKingshad________thewinterholiday!Wheredidtheygo?—ItwasinHainan________theyspentthewinterholiday.A.tospend;whereB.tospend;thatC.spending;whereD.spending;that第一个选项知道

　　初三英语

　　—WhatagreattimetheKingshad________thewinterholiday!Wheredidtheygo?

　　—ItwasinHainan________theyspentthewinterholiday.

　　A.tospend;where

　　B.tospend;that

　　C.spending;where

　　D.spending;that

　　第一个选项知道，主要不知道第二个选项为什么选that，求讲解