Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| State change | Environment | Rate of change |
| --- | --- | --- |
| disappearance of rainwater | hot air | faster |
| disappearance of rainwater | cool air | slower |
| disappearance of rainwater | mild air | medium |
Question:
What is the rate of change of the disappearance of rainwater in mild air? Select the correct choice to answer the question or fill in the blank.
Choices:
(A) medium
(B) faster
(C) slower
(D) no change
Answer:
(A) medium