Please me out with this thank u

Answer:
one
Step-by-step explanation:
Collinear means the points all lie on the same line.
The only other point on the line with C and D is U
Thus there is only one point U
Answer:
There is one point.
There is only one letter between C and D, which is U.
The only point is U.
So, the answer is U. Hope it helps!