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:
|  | REVOLUTION OR ROTATION |  | CENTER center of revolution or rotation |  | NAME name for one rotation or revolution |
| --- | --- | --- | --- | --- | --- |
| One | revolution of the Earth | around | the Sun | is called | one Earth year; one year |
| One | revolution of the Moon | around | the Earth | is called | one Moon year |
| One | rotation of the Earth | around | the Earth's own axis | is called | one Earth day; one day |
| One | rotation of the Moon | around | the Moon's own axis | is called | one Moon day |
Question:
What constitutes one moon day? Select the correct choice to answer the question or fill in the blank.
Choices:
(A) Rotation of the Moon around it's own axis.
(B) Revolution of the Earth around the sun.
(C) Rotation of the Earth around the Earth's own axis.
(D) Revolution of the Moon around the Earth
Answer:
(A) Rotation of the Moon around it's own axis.