Steps must be taken ________ this kind of disaster will never happen again.
A.because B.even if C.as D.so that
Steps must be taken ________ this kind of disaster will never happen again.
A.because B.even if C.as D.so that
D
考查so that引导的目的状语从句。句意:为了让这种灾难再也不会发生,我们必须采取措施。