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：句意：他没有茂密的头发也不是秃头，但是他的头发正在随着他的年龄而变白变稀。conspicuously显著地。prominently卓越地，显著地。warily留意地，小心地。conventionally照惯例地。