Answer: c test points: idioms/passive voice. Analysis: see said to+ verb, should think of using a ten infinitive structures be said that "is said to be......." Lack of copula is here.
Answer: C test point: Idiom / passive voice. Analysis: see said to + verb, it should be said that the thought of using ten infinitive structure, said, "is said to be ......." Here lack of copula is.
Answer: C test point: idioms / passive voice. Analysis: to see the to said verb, should be thought of using the said be ten is not a formula structure, said, is said to be......". Here is a lack of is.