Under a written agreement between Mrs$.$Norma Lowe and an approved religious exempt organization, a $10-$year$-$old girl from Vietnam came to live in Mrs$.$Lowe$$s home on August $1$ of the current year in order to be able to start school in the U$.$S$.$ on September $3$ of the same year. Mrs$.$Lowe actually spent $$500$ for food, clothing, and school supplies for the student during the year, without receiving any compensation or reimbursement of costs. What portion of the $$500$ may Mrs$.$Lowe deduct on her current$-$year income tax return as a charitable contribution?

A$.$$$0$

B$.$$$250$

C$.$$$500$

D$.$$$200$