14. The reliability of the present work _____ in a number of clinical histories and studies in depth
of variation of illness over many years in individual patients.
(A) is substantiating
(B) substantiates
(C) is substantiated
(D) is substantiality
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統計: A(8), B(44), C(109), D(4), E(0) #2956774
統計: A(8), B(44), C(109), D(4), E(0) #2956774