[مستر صلاح الخشاب]

undoubtedly" between" is the correct answer

We use between when something is located with other things on each side.

Tom stood between Martha and Sue.

a valley between mountains

a town between Banha and Cairo

When there are several clearly separate people or things around a certain person or thing, we usually use between. When there is a group, or a crowd or mass of people, or things that we do not see separately around a certain person or thing, we usually use among.

Switzerland is between Germany, France, Italy, Austria, and Liechtenstein.

A small child was lost among the commuters in the metro station.

Your socks are somewhere among the other socks.

We usually use among before a singular (uncountable) noun.

We found a diary among the trash.

For more, see Michael Swan, Practical English Usage, 3rd ed., p 88.