ProfessorDavidMortonofthedepartmentisinvolved______animalresearchandisconcerned______reducinganimalsufferingasmuchaspossible.
A.to…with
B.in…in
C.with…in
D.in…with
正确答案:D[解析]系教授DavidMorton专攻动物研究,而且关心尽可能地减少动物痛苦。beinvolvedin:参与;beconcernedwith:关心。

ProfessorDavidMortonofthedepartmentisinvolved______animalresearchandisconcerned______reducinganimalsufferingasmuchaspossible.
A.to…with
B.in…in
C.with…in
D.in…with
正确答案:D