Jenny, the new comer, has earned not only the trust of her classmates but also of her tea

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A. one
B. ones
(答案→)C. that
D. those
解析：考查代词：句意：Jenny，新来的人不仅赢得了同学的信任也赢得了老师的信任。这里需要代词指代trust，that可以特指前面出现的不可数名词或可数名词单数，后面有后置定语，one泛指前面出现的可数名词单数，ones泛指前面出现的可数名词复数，those特指前面出现的可数名词复数，选C。