选C 1.表示“失败”,通常是不及物动词.表示在某一方面失败,通常用介词 in.如： He failed in business.他经商失败. He failed in everything he tried.他想的一切办法都没成功. 2.表示“(考试)不及格”,fail 可用作及物或不及物动词(以及物动词为多见),所以以下各例中 fail 后的介词 in 均可以省略： He failed (in) his driving-test.他驾驶考试没及格. She failed (in) her exams again.她考试又没有及格. 有时表示“使某人不及格”(及物).如： The teacher failed half the class.老师让班上一半的学生未能及格. 3.其后可接不定式,意为“不能”“没有”“忘记”等.如： He failed to pass the exam.他考试没有及格. He failed to get there on time.他未能准时赶到那儿. 4.表示“不能成功地做某事”,有时可后接 in doing sth.比较: 他未能说服她. 正：He failed to persuade her. 正：He failed in persuading her.
fail[feil] --failure['feiljə] 1. 表示“失败”，通常是不及物动词。表示在某一方面失败，通常用介词 in。如： He failed in business. 他经商失败。 He failed in everything he tried. 他想的一切办法都没成功。 2. 表示“(考试)不及格”，fail 可用作及物或不及物动词 He failed his driving-test. 他驾驶考试没及格。 She failed her exams again. 她考试又没有及格。 有时表示“使某人不及格”(及物)。如： The teacher failed half the class. 老师让班上一半的学生未能及格
译文：他们开始相信自己经营之道是失败的。be failing的方式用途很广泛，给你几个例子参考一下吧。1.Peter was afraid he had done badly on the test, and sure enough, his grade was failing.彼得深怕自己考不好。然而正如所料，他的分数不及格。2.An old gentleman whose eyesight was failing came to stay in a hotel room with a bottle of wine in each hand.一个视力下降的老绅士一只手拿着一瓶酒住进了一间酒店。3.The Gadfly's endurance was failing him at last.牛虻的忍受力也终于不能维持了。4.The store owner thought his business was failing until he discovered that the treasurer had his hand in the till.店主原以为是他的生意失败，后来才发现是财务会计监守自盗。
钟玉婷是好孩纸
