What Is the Current Status of Our Search for Inhabitable,Earthlike

Multiple Choice

What is the current status of our search for inhabitable,Earthlike planets circling other stars?

A) Two stars have now been discovered with an Earth-mass planet orbiting at distances suitable for liquid water and life,but we cannot yet determine whether they have oxygen-rich atmospheres.
B) Planets have been detected orbiting other stars,but none appear to be suitable for life.
C) No extrasolar planets of any kind have yet been confirmed.
D) Several planets have been found with a mass similar to that of Earth,but they are either too close to or too far away from their star to have liquid water or life on their surfaces.