GRE Text Completion: ETS Fundamental-GRE填空ETS基础 - 054702M1O067443OX

It is (i)____________ that so many portrait paintings hang in art museums, since the subject matter seems to dictate a status closer to pictures in the family photograph album than to high art. But perhaps it is the artistic skill with which the portraits are painted that (ii)____________ their presence in art museums. A. surprising B. challenges C. understandable D. justifies E. irrelevant F. changes