Cook the vegetables. In a 2.5-quart saucepan or larger, combine chicken broth, shredded carrots, asparagus, peppers, olive oil, lemon juice, salt, coriander, cumin, and pepper; bring to a boil over medium-high heat.
Add the couscous and raisins. Remove from heat and stir in couscous and raisins. Cover and let stand 5 minutes.
Serve. Fluff with a fork, garnish with parsley, and serve.