GRE General Test: SE-260509 GRE Sentence Equivalence

Despite her autocratic father’s efforts to maintain his control over her, Elizabeth Barrett, concealing a rebellious spirit behind _____ exterior, played obedient daughter and successfully managed to elope with her fellow poet, Robert Browning.
Select the two answer choices that, when used to complete the sentence, fit the meaning of the sentence as a whole and produce completed sentences that are alike in meaning