A:齐使者如梁,孙膑以刑徒阴见,说齐使 阴:暗中,暗地里
B:孝文帝时,天下无治尚书者 治:研究
C:诸将以为赵氏孤儿良已死,皆喜 良:确实
D:公子引侯生坐上坐,遍赞宾客 赞:称赞
There're so many kinds of tape-recorders on sale that I can't make up my mind _______ to buy.