【Wethoughtthat，________wewereinthearea，we'dstopbyandseetheplacesofinterest．（）A.untilB.sinceC.unlessD.though】

　　We thought that，________ we were in the area，we'd stop by and see the places of interest．（）

　　A.until

　　B.since

　　C.unless

　　D.though