The author's latest memoir, while ostensibly a personal narrative, often veers into broader societal critiques, making its classification as purely autobiographical somewhat _____ and its true literary ambition rather _____.

The correct answer to the question "The author's latest memoir, while ostensibly a personal narrative, often veers into broader societal critiques, making its classification as purely autobiographical somewhat _____ and its true literary ambition rather _____." is Option B: dubious ... expansive.

The other options — A) accurate ... modest, C) facile ... confined, D) compelling ... negligible — are incorrect for this GRE Exam Prep question. As explained above: If the memoir 'veers into broader societal critiques,' then classifying it as 'purely autobiographical' is 'dubious' (questionable), and its ambition is 'expansive' (broad in scope).