Which of the following statements about the relation between service application and web application is right:

Question $5$Select one:

a$.$

A web application can use multiple service applications, but one service application can only serve one web application.

b$.$

A web application can use only one service application and vise versa.

c$.$

A web application can use multiple service applications and one service application can support multiple web applications

d$.$

A web application can use only one service application, multiple web applications can run atop one service application.