单选题
These efforts are in response ______ an increasing number of food safety problems and rising consumer concerns.
A、to
B、against
C、with
D、towards
【正确答案】 A
【答案解析】 in response to是一介词短语，为固定搭配，表示“对……作出反应"，因此答案为A。
单选题
These efforts are in response ______ an increasing number of food safety problems and rising consumer concerns.
A、to
B、against
C、with
D、towards
【正确答案】 A
【答案解析】 in response to是一介词短语，为固定搭配，表示“对……作出反应"，因此答案为A。
