whAt is truE oF slEEpwAlking ACCorDing to thE pAssAgE
A．it is CAusED By EmotionAl ConFliCt or guilty ConsCiEnCE.
B．it is thE ACting out oF A viviD DrEAm.
C．somnAmBulists ArE AslEEp During thEir slEEpwAlking.
D．it is DAngErous to wAkEn A slEEpwAlkEr.