题目内容：

At that time he could think of nothing _ to say,so he seated himself behind without saying anything
A.in the earth B.on earth C.in world D.on the world

优质解答

选B “一点也不”,强调否定含义,不加的话,还是否定句,只是没有强调而已.在本句中,若空格不填,也很通顺.译文：当时他没有想到一点可说的东西,所以他就坐在后面,什么都没说.