Final answer:
Sierra might not ask her family members about a situation either because they lack the necessary information or they may be unwilling to share it.Correct option is A.
Step-by-step explanation:
The question addresses the reasons why Sierra, a character likely from a literary text, does not attempt to ask other family members for more information about a situation, despite having difficulty understanding her grandfather. There are several reasons that could explain Sierra's reticence.
First, Sierra's family members may not have the necessary information to provide the insight she seeks. Second, it's possible that her family members may not be willing to share this information, potentially due to family dynamics or secrecy.