Answer:
B. a line segment
Explanation:
The wording "straight path" tells you the figure is a line or part of a line. The description "two endpoints" tells you the part of the line is bounded, hence must be ...
a line segment
Other choices
A. A circle has no end points is not a straight path
C. An angle is the space between two rays. Those have one common endpoint.
D. A ray is part of a line with one end point.