The experiment has______the possibility of the existence of any life on that planet, but it does not mean there is no life on other planets.
A.found out
B.pointed out
C.ruled out
D.carried out
网友回答
C解析短语辨析. found out发现,查明;pointed out指出;ruled out排除,消除;carried out实行.句意:这个实验排除了三个行星上存在任何生命的可能想,但是并不意味着在其他行星上没有生命.故选C