Answer:
a. It reinforces how much Yousafzai's family values education and learning.
Explanation:
Malala Yousafzai is an advocate for female education and she has been to different countries, educating the females on why they need to fight for their right to education and Malala’s own mother Toor Pekai has also decided to go back to school to learn how to read and write and the purpose of adding this detail is to reinforce how much the Yousafzai’s family values education and learning.
I don’t see any examples, however, if you look at your examples gloomy is similar to sad or dreary, and the opposite of cheery or happy, so look for that in your examples
