Andrew Cherng was born in China and immigrated to the U$.$S$.$ to go to college. With his Myanmar$-$born wife Peggy, they opened their first Panda Express fastfood restaurant, which grew into a chain with more than $2,000$ restaurants worldwide. Their story is lllustrative of the fact that one out of every U$.$S$.$ businesses is owned by an immigrant.

a$.$ ten

b$.20$

c$.12$

d$.$ four

e$.$ six