When John Proctor enters Parries house Proctor disdains hypocrisy and a lot of people resent him from exposing the truth from there foolishness. However Proctor is uneasy with him self since he had conducted a extramarital affair with Abigail. His wife Elizabeth had already figured out about this affair between Proctor and Abigail so she removed Abigail from work.
The answer you are looking for is, irregular.
The answer is C. I really hope this helped
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.