In the hadīth that ends with '...piety is based right here ...', the Prophet (S.A.W.) meant the
City of Makkah
Hand
Heart
City of al-Madīnah
Correct answer is C
"Piety is here" - and he pointed to his chest three times. It is enough evil for a person to hold his brother Muslim in contempt. As a muslims our exterior beauty, skin colour, clothes should not be our major concern but also what is in our hearts, we should try and clean our heart of evil thoughts.