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:
| Transformative action | Property transformed |
| --- | --- |
| painting | color |
| nuclear fusion | mass |
| melting | state |
| crumpling | shape |
Question:
When mass is transformed the action is refered to as _______. Select the correct choice to answer the question or fill in the blank.
Choices:
(A) nuclear fusion
(B) melting
(C) crumpling
(D) painting
Answer:
(A) nuclear fusion