A.前者不對(duì)觀察的場(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)行觀察
B.前者對(duì)觀察的場(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)行觀察,后者對(duì)觀察的場(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)行觀察,后者不對(duì)觀察的場(chǎng)所和對(duì)象進(jìn)行控制和操縱