Astronomers Have Searched for Extrasolar Planets for Decades

Astronomers have searched for extrasolar planets for decades. Which one of these statements about the current status of the search is NOT true?

A) No evidence of planets beyond our own solar system has been found.
B) Astronomers have seen disks of material around stars that resemble the solar nebula believed to be an early stage in the formation of our solar system.
C) Astronomers have seen asteroid belts around other stars.
D) Astronomers actually have images of other stars being orbited by planets.