If you're being patient, you are waiting calmly for example, you're at a doctor's appointment. If you're waiting patiently and calmly, you aren't complaining that your doctors taking too long.
If you are impatient, you get frustrated that your doctor isn't there and you've been waiting 10 minutes.
D) It seems like the reader is part of the poem. Explanation: Cause it seems like she wants to make us think and be curious whether the child is dead or not.