Aresearch collaboration can be enhanced by:

A research collaboration can be enhanced by GOOD COMMUNICATION. Good communication is very important in research collaboration, good results can not be obtained without it. There should be communication about the different aspects of the research to be handled by those involved, authorship, data gathering and analysis, intellectual property issues, etc, should be discussed clearly and in advance. 

The answer is letter a or the first option

You didn’t include the multiple choice/ options list