When we talk about someone’s personality we mean the ways he or she acts speaks thin

问题补充：

When we talk about someone’s personality , we mean the ways he or she acts, speaks , thinks and feels that make that person different from others.

A. how

B. /

C. which

D. why

答案：

A. how

(答案→)B. /

C. which

D. why

解析：先行词为way，引导词在从句中不做主语、宾语而是做状语时，定语从句用that或in which引导，也可以不用任何引导词。