What is true about SMS keywords other than HELP and STOP?

What is true about SMS keywords other than HELP and STOP?
A . keywords in parent business unit are automatically available to all child business units
B. keywords in child business unit can be shared between other child business units
C. keywords in parent or child business unit are available only in that business unit
D. keywords in parent business unit can be shared to any child business units

View Answer

Answer: C