问题补充：
单选题Thinkingofthedays,whenhewaslookeddownuponasapoorpeasant,_______.A.his heart was filled with sorrowB.tears came down his faceC.he was in great sorrowD.we found him wiping his eyes
答案：
C解析考查主语一致。thinking of the days,作所选主句的状语，该状语部分的逻辑主语已经省略，必须与所选主句的逻辑主语一致，根据when he was looked down upon as a poor peasant可知，该句的主语是he，故选择C
