His dominant（ ）was to take all things into earnest consideration

His dominant（ ）was to take all things into earnest consideration.
A、trait
B、trail
C、trace
D、​track
【正确答案】：A
【题目解析】：A.trait：（性格中的）特性，品质，品性；B.trail：足迹，踪迹；C.trace：痕迹，踪迹；D.track：轨迹，轨道，根据意思，选A。take ... into consideration：考虑。句意：他性格中最主要的特点是对一切事物都要进行认真思考。