The correct option is
D A-
2, B-
1, C-
3, D-
4Adhatoda vasica also known as Vasaka. Its leaf extract is used for treating cough and cold, different types of fever, bronchitis, jaundice, diarrhea, and dysentery. So it is an expectorant.
Artemisia maritima isused for parasitic infections such as roundworms, pinworms, tapeworms, hookworms, and flukes. So it is an antihelminthic.
Digitalis purpurea is used to treat congestive heart failure (CHF) and heart rhythm problems (atrial arrhythmias).
Podophyllum emodi has been used as a laxative (but it has been removed from the market due to safety concerns). So it is purgative.
So, the correct option is A.