Answer:
c. Using the Data Refinery tool
Step-by-step explanation:
Data wrangling and tidying in Data Science is the process whereby data to be analysed is obtained, cleaned and arranged before it is analysed in the environment.
Since Watson Studio happens to be an IBM premier integrated development environment for data science and artificial intelligence practitioners, there is need for them to have data softwares to make data scientists practitioners' works easier.
In this scenario, the best tools to aid in tidying data in the Watson studio would be the use of Data Refinery Tool.