### Chinese: 目前，被投诉的３所高校尚未作出回应。
### English: At present, the three colleges and universities complained have not responded.
### Errors: There is a minor error of incorrect translation has stylistic problems at "colleges and universities". There is a minor error of incorrect translation is missing content from the correct translation at "At present".

### Improved English: The 3 universities being complained about have not responded yet.