Yon are always _____ fault with what I do（）

A.
A．thinking B.B．seeing C.C．discovering D.D．finding

In recent years, more and more foreigners are involved in the teaching programs of the United States. Both the advantages and the disadvantages __56__ using faculty（教师） from foreign countries __57__ teaching positions have to be __58__, of course. It can be said that foreign __59__ that makes the faculty member from abroad an asset（财富） also __60__ problems of adjustment, both for the university and for the individual. The foreign research scholar usually isolates __61__ in the laboratory as a means of protection；__62__, what he needs is to be fitted __63__ a highly organized university system quite different from __64__ at home. He is faced in his daily work __65__ differences in philosophy, arrangements of courses and methods of teaching. Both the visiting professor and his students __66__ a common ground in each other's cultures. Some __67__ of what is already in the minds of American students is __68__ for the foreign professor. While helping him to __69__ himself to his new environment, the university must also __70__ certain adjustments in order to __71__ full advantage of what the newcomer can __72__. It isn't always known how to make __73__ use of foreign faculty, especially at smaller colleges. This is thought to be a __74__ where further study is called __75__. The findings of such a study will be of value to colleges and universities with foreign faculty56.（）