Step 1: Know the task.
We match four useful enzymes or products with the job each one does. Knowing a couple clearly will help fix the answer.
Step 2: Lipases.
Lipases break down fats and oils. So they are added to detergents to remove oily stains from clothes. A matches II (remove oil stains).
Step 3: Pectinases.
Pectinases break down pectin, the substance that makes fruit juice cloudy. So they are used to make fruit juice clear. B matches I (juice clarification).
Step 4: Streptokinase.
Streptokinase dissolves blood clots, so it is used as a clot buster to clear blocked blood vessels. C matches IV (remove clots from blood vessels).
Step 5: Statin.
Statins block the making of cholesterol, so they lower blood cholesterol. D matches III (lowers blood cholesterol).
Step 6: Combine the matches.
We get A-II, B-I, C-IV, D-III, which is the first option.
\[ \boxed{\text{A-II, B-I, C-IV, D-III}} \]