I’m very happy a chance your school.
A. to give… to visit
B. giving… visiting
C. to be given…to visit
D. to be given…visiting
网友回答
A. to give… to visit
B. giving… visiting
(答案→)C. to be given…to visit
D. to be given…visiting
解析：句意：我很高兴被提供了一个参观你们学校的机会。Be happy to do“很高兴做….”不定式做原因状语，第二空是不定式修饰a chance，…的机会，选C。