What method would you use to add $5$ days to the current date in C#$?$

Select one:

a$.$

DateTime.Now.Add$($TimeSpan$.$FromDays$(5))$;

b$.$

DateTime.Today.AddDays$(5)$;

c$.$

DateTime.Now.AddDays$(5)$;

d$.$

DateTime.Today.Add$($TimeSpan$.$FromDays$(5))$;