Assume A is an array and x is a variable. A and x are associated to registers 550 and 5:0 respectively. Which of the following C++ code is equivalent to - addi 511,5t0,2 - sil 511,5t,2 - add \$51, \$50, 5t1 - Iw 5t3,0(551) - sw5t3,48(550) Select one: A[2+x]=A[3]A[12]=A[4+x]:A[3]+A[2+x]A[3]=A[4+x]A[12A2+x}