Registered representative Susan Smith has a client for whom she is considering recommending a deferred variable annuity. She has conducted a thorough interview with the client and is almost ready to recommend that her client purchase the annuity. She is confident that the features of the product are suitable for this client. Under Rule $2330,$ which of the following must she also consider?

A$)$

Only the optional riders that the client chooses

B$)$

Nothing else, if the product features are suitable

C$)$

The product as a whole, not just the product features

D$)$

The suitability of subsequent contributions to the sub$-$accounts