Which of the following statements is true regarding the angular resolution of a telescope?

A. A visible - light telescope has a better angular resolution than an infrared telescope of the same size.
B. A gamma - ray telescope with a larger diameter has a worse angular resolution than a UV telescope.
C. A single radio telescope with a smaller diameter has a better angular resolution than a UV telescope.
D. A telescope with a larger diameter has a worse angular resolution than a telescope with a smaller diameter when observing at the same wavelength.