Answer:
D is not true
Explanation:
A was correct.
It was predicted to be on a path to collide with the Andromeda Galaxy
B was correct.
It is classified as a spiral galaxy.
C was correct.
It has four main arms that are classified as spiral.
D is incorrect.
It isn't known that there isn't life anywhere else in space. Also, if you do more research, the largest galaxy known as of 2019 is IC 1101, not the Milky Way.
*some information may not be accurate, if mistaken, please correct me, hope this helped :)*