Please solve the question quickly

Based on the pipeline design with forwarding unit: 1) lw $t0,4($80) 2) add $t3, $t0,$t2 3) sub $14, $t2, $t0 4) lw $t1,8($80) 5) add $t1,$t0, 14 How many cock cycle do we need to execute this code (assume it is a full program)? Select one: a. 10 b. 6 c. 11 0