If the Earth's Period of Rotation Were Halved, but the Period

Multiple Choice

If the Earth's period of rotation were halved, but the period of revolution about the Sun stayed the same,

A) the night would be twice as long.
B) the night would be half as long.
C) the year would be half as long.
D) The year would be half as long.
E) the length of the day would be unchanged.