Only competition is between A and B. It's an inverted sentence so B is preferred. For clarity, visualize A in sentence as follows:
(A) On none of the planets or moons...
there is any indication that life exists.
IS should follow immediately after the initial phrase.
(B) On none of the planets or moons...
is there any indication that life exists.
A.
Ones which, like Saturn or Mars, show some oxygen on their surface,
there is any
B. Which, like Saturn or Mars, show some oxygen on their surface, is there any:
CorrectC. Ones which are like Saturn or Mars, show some oxygen on their surface,
and there is any
D. Which with some oxygen
on their surface, like Saturn or Mars, there is any
E. Which, like Saturn or Mars, show some oxygen on their surface, there is
someHope it helps.
Aurora0128
On none of the planets or moons that we have been able to investigate by means of robot probes even those
ones which like Saturn or Mars, show oxygen on their surface, there is any indication that life exists
A. Ones which, like Saturn or Mars, show some oxygen on their surface, there is any
B. Which, like Saturn or Mars, show some oxygen on their surface, is there any
C. Ones which are like Saturn or Mars, show some oxygen on their surface, and there is any
D. Which with some oxygen on their surface, like Saturn or Mars, there is any
E. Which, like Saturn or Mars, show some oxygen on their surface, there is some