Have Astronomers Detected Any Earth-Sized Planets Around Normal Stars Yet

Have astronomers detected any Earth-sized planets around normal stars yet?

A) Yes,although the ones detected lie much closer to their stars than we do to ours.
B) Yes,although the ones detected lie much farther from their stars than we do from ours.
C) No,we do not have the technology to detect such low-mass planets yet.
D) No.Although we have the technology to detect low-mass planets,we haven't found any others yet.