Which expression is equivalent to the following instruction sequence?

[ slt $t2, $t0, $t1 beq $t2, $zero, l1 sub $t3, $t1, -$t0 j end l1: sub $t3, $t0, -$t1 end: ]

a) ( $t3 = max($t0, $t1) )
b) ( $t3 = min($t0, $t1) )
c) ( $t3 = |$t0 - $t1| )
d) ( $t3 = $t0 - $t1 )