D. considered [注释] considered 考虑; admit 承认; absorb 吸收。 [注意]acknowledge 1) (=agree or admit the truth of; confess) 承认, 供认; A. He acknowledged his mistake. (他承认了他的错误。) B. 接动名词 He acknowledged having been beaten. (他承认被打败了。) 2) (express thanks for) 致谢; A. Mary acknowledged the gift with a pleasant letter. (玛丽致函感谢馈赠的礼物。) B. His long service with the company was acknowledged with a present. (向他赠送礼品以感谢他长期来对公司的服务。)