________Icouldntfull的精选

问题详情：________Icouldn'tfullyunderstandwhathewantedtoshow   inhispaintings，Ithoughthisworkswerequiteimpressive.A．As B．Since C．If D．While【回答】D[考查状语从句。句意：尽管我不能充分理解在他的画里他想...