He was not conspicuously hairy nor shiny-bald, but his hair was graying and receding tactfully in keeping with his age.
【正确答案】 A
【答案解析】解析:题干:他的头发不密也不秃,但却正在随着年龄而变白变稀。conspicuously显著地;prominently显著地;warily小心地;conventionally照惯例地;根据题意,A为正确选项。