Which of the following is correct?

The following is a list of statements about stakeholders and stakeholder management.

a. A customer can be considered as a stakeholder in a project.

b. A supplier can be considered as a stakeholder in a project.

c. Stakeholders’ positions do not remain static during the life of the project.

d. Communication must not be tailored to each stakeholder in the project.

Which of the following is correct?
A . Statements a, b and c are correct, statement d is incorrect.
B. All four statements are correct
C. Statements a and c are correct, statements b and d are incorrect.
D. Statements b and c are correct, statements a and d are incorrect.