____ this may sound like a simple process, great care is needed

下面填入横线上的语句衔接最恰当的一项是（3分）（ ）但是很奇怪，现在回忆起三年前提笔的光景，___________，____________。__________，__________，___________。____________，逗起我的兴趣的，只是一两段情节、几个人物、一种复杂而又原始的情绪。①我初次有了《雷雨》一个模糊的影像的时候②也许写到末了隐隐仿佛有一种情感的汹涌的流来推动我③毁谤着中国的家庭和社会④我在发泄着被抑压的愤懑⑤我以为我不应该用欺骗来炫耀自己的见地⑥我并没有显明地意识到我是要匡正、讽刺或攻击什么

Where have you _________ all day —I came back at noon and I _________ inthis room ever since.

The news that Obama waselected presidentof the United States isnot mystery.

We are taught that a business letter should be written in a formal style in a personal one.