I think it’s C or D. C is more specific. D is saying all of the above which is true, but I don’t think that would be the answer. Since it says to fill up your paper. But it’s your decision
You have to give more detail
The indirect object usually expressed the beneficiary of an action: for whom or for whose sake was the task performed. Here it's "her" - she is getting the flowers. The flowers are the direct object.
