A.犯罪傾向
B.少年的年齡
C.忠告
D.少年的家庭經(jīng)濟(jì)狀況

A.前者不對(duì)觀(guān)察的場(chǎng)所和對(duì)象進(jìn)行控制和操縱，后者深入到現(xiàn)實(shí)生活對(duì)實(shí)際發(fā)生的社會(huì)現(xiàn)象進(jìn)行觀(guān)察
B.前者對(duì)觀(guān)察的場(chǎng)所和對(duì)象進(jìn)行控制和操縱，后者深入到現(xiàn)實(shí)生活對(duì)實(shí)際發(fā)生的社會(huì)現(xiàn)象進(jìn)行觀(guān)察
C.前者深入到現(xiàn)實(shí)生活對(duì)實(shí)際發(fā)生的社會(huì)現(xiàn)象進(jìn)行觀(guān)察，后者對(duì)觀(guān)察的場(chǎng)所和對(duì)象進(jìn)行控制和操縱
D.前者深入到現(xiàn)實(shí)生活對(duì)實(shí)際發(fā)生的社會(huì)現(xiàn)象進(jìn)行觀(guān)察，后者不對(duì)觀(guān)察的場(chǎng)所和對(duì)象進(jìn)行控制和操縱