Final answer:
The correct form of the verb saber to fill in the blank is C. sé and it means 'I know'.
Step-by-step explanation:
The correct form of the verb saber to fill in the blank in the sentence is C. sé.
The sentence translates to: I know a woman who knows how to speak French and Japanese.
In this sentence, sé is the first person singular form of the verb saber. It is used when the subject 'I' is the one who knows or has knowledge about something.
Learn more about Verb conjugation in Spanish