### Chinese: 目前，被投诉的３所高校尚未作出回应。
### English: The 3 complained universities have had no reply till now.
### Errors: There is a minor error of incorrect translation has stylistic problems at "complained universities". There is a minor error of incorrect translation has stylistic problems at "had no reply till now".

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