Radio Telescopes of Modest Size Can't Make Out as Much

Multiple Choice

Radio telescopes of modest size can't make out as much detail (have a lower resolution) than visible light telescopes. How do astronomers overcome this limitation?

A) they have built a radio telescope in the desert that completely covers 1000 square miles
B) this problem can't be solved; radio telescopes will always show poor detail
C) we can connect several radio telescopes some distance apart together electronically to give us the resolution of a larger telescope
D) we have launched a small radio telescope satellite into orbit, which (being above the atmosphere) can make out much more detail than any visible light telescope
E) the same engineers responsible for the shape of the mirror for the Hubble Space Telescope are working on this problem; stay tuned