The best statement to understand the condition of Swat when Malala and her family returned is:
d. Both a and c help you understand the condition of Swat
Statement a conveys the limited physical damage to their house while highlighting the presence of anti-Taliban sentiment, and statement c emphasizes the impact of the Taliban's actions on education by mentioning that many children were forced to hold classes in tents due to school destruction. Together, they provide a clearer picture of the challenging conditions in Swat at that time.