___6 years old,her dad died.填At the age of\when she was\Being要理由

___6 years old,her dad died.填At the age of\when she was\Being要理由
___6 years old,her dad died.填At the age of\when she was\Being要理由

___6 years old,her dad died.填At the age of\when she was\Being要理由
when she was
因为该句中有个逗号,说明前半句可以独立,
at the age of 后面是直接加几岁
Being,后面的主语要一致,但是后面的主语是her dad

when she was