A:as before they did
B:as they regarded before
C:as they did before
D:as they had before
全国道德模范“扬州好人”李彬,退伍20多年来,不忘为国捐躯的战友,为牺牲战友扫墓,苦苦寻找烈士家属,先后认了18个“爹娘”,像儿子一样替牺牲战友尽孝道。李彬的行为()①体现了诚实守信的品德 ②传递了社会正能量③传承敬老爱老的传统美德 ④没有承担起自己家庭的责任