He tried to hide his ______ patch by wearing a hat all the time.
【正确答案】 C
【答案解析】他总是带着帽子,试图隐藏那块斑秃。A.bare“空的,赤裸的” B.barren“贫瘠的,不生育的”C.bald“秃顶的” D.bleak“荒凉的,黯淡的”