×
单选题
13.The Bunsen Burner is so named because it is thought by Robert Bunsen.
A
A. to be invented
B
B. having been invented
C
C. invented
D
D. to have been invented
答案解析
正确答案：D
解析：
13.【翻译】 本生灯之所以叫这个名字，是因为它被认为是由罗伯特•本生发明的【精析】D sb./sth. be thought to do slh. *固定用法，意为“某人/某物被认为做某事”。另外，动词不定式中的 invent所表示的动作发生在is thought所表示的动作之前，所以应用不定式的完成式，即“to have +过去分词”的形式。 根据句意可知.invent 1 Jit （The Bunsen Burner）之间是逻辑上的动宾关系，所以应用不定式的完成被动式，即"to have been +过去分词”的形式 故选1）
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