Social attention should be paid          our earth from        .    
A． to prevent; being pollutedB． to preventing; polluted　
C． to prevent; pollutingD． to preventing; being polluted
D
考查固定結(jié)構(gòu)以及被動語態(tài)。Pay attention to sth/doing sth注意…；第一空是被動語態(tài)；prevent sb (from) sth/doing sth阻止某人做某事；本題也是被動語態(tài)。句意：我們應(yīng)該特別注意要阻止我們的地球被污染。
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