Jenna rents 4 identical storage lockers Each locker is shaped like a cube

Jenna rents 4 identical storage lockers. Each locker is shaped like a cube. The four lockers are arranged in a row, as shown.

If $ss$s is the length (in feet) of one side of a locker, which expression represents the total volume of all four lockers?

Answer Options:

• A) $4s^{3}4s^3$
• B) $s^3+4^{3}s^3\; +\; 4^3$
• C) $(s+4{)}^3(s\; +\; 4)^3$
  
• D) $(4s{)}^3(4s)^3$