Entrepreneurship is the process of designing, launching and running a new business. Example- a startup company offering a product, process or service.
According to the rules of subject-verb agreement, phrases or clauses between the subject and the verb do not change the number of the antecedent. Therefore, the answer is number of the antecedent.
The meaning of cryptic in this sentence is - mysterious
I'm pretty sure that the answer is D. Either D or C, but probably D.