Transferable skills necessary for successful employment include a. basic skills b. thinking skills c. personal qualities d. all of the above

The correct answer is D. all of the above

The skills that you mention here are those that are related to your relations to other workers. For example, a basic skill would be something like communication skills, while a thinking skill might be something like analytics. Personal qualities would be something like friendliness or openness  to others or similar things. They are all important for employment.

Transferable skills necessary for successful employment include basic skills, thinking skills and personal qualities. One of the important life skills. In a steady changing environment, having life skills is an essential part of being able to meet the difficulty of everyday life

It might be the second one