Match List-I (Diseases) with List-II (Modes of spreading of secondary infection) and select the correct answer:

List-I	List-II
a. Potato mosaic	1. By sap inoculation through contact between diseased and healthy plants
b. Bunchly top of banana	2. Secondary infection through the uredospores
c. Leaf rust of coffee	3. Secondary infection through an aphid, Pentolaria nigronervosa
d. Black arm of cotton	4. Caused by rain splashes, wind and dew

A. a-1, b-3, c-2, d-4

B. a-3, b-2, c-1, d-4

C. a-4, b-1, c-2, d-3

D. a-4, b-2, c-3, d-1

Answer: Option A