Drugs That Inhibit the Production or Effects of Leukotrienes Are

Drugs that inhibit the production or effects of leukotrienes are helpful in treating bronchospastic disease because:

A) leukotrienes are especially important in mediating the airway inflammation that underlies bronchoconstrictive disease.
B) these drugs can be combined with other drugs (glucocorticoids,beta agonists) to provide optimal management in specific patients with asthma and COPD.
C) these drugs are generally safe and well tolerated.
D) all of the above
E) none of the above;drugs that inhibit the production or effects of leukotrienes are not helpful in treating bronchospastic disease.