Option (क) 'गाँववाले ताई की वापसी से क्यों चिंतित थे?' is the appropriate question for the given answer. The answer states that the villagers were afraid (डर था) that Tai would be shocked upon knowing the truth, which directly explains their worry or concern (चिंतित) regarding her return. Option (ख) asks why the villagers were happy, which does not align with the given answer about their fear and Tai's potential shock.