Let A₁ and A₂ be two arithmetic means and G₁,G₂,G₃ be three geometric means of two distinct positive numbers. Then G⁴₁+G⁴₂+G⁴₃+G²₁G²₃ is equal to

A. 2(A₁+A₂)G₁G₃
B. 2(A₁+A₂)G²₁G²₃
C. (A₁+A₂)2G₁G₃
D. (A₁+A₂)G²₁G²₃