✔ Correct Answer: C. Perspicacious - puerile

The correct answer to the question “Sentence completion: Marlene was sufficiently ___ to be able to recognize that her husband's ___ behavior masked an underlying insecurity” is Perspicacious - puerile. This question belongs to Fill in the Blanks in English. Practice the related questions below to master this topic for your FPSC, PPSC and NTS tests.