Find out the pairs which are correctly matched
`{:(a.,"Cyanobacteria",1.,"Biopesticide"),(b.,"Mycorrhiza",2.,"Solubilisation of phosphate"),(c.,"Bacillus thuringiensis",3.,"Cry protein"),(d.,"Single cell protein",4.,"Rhizobia"):}`
A. I and II
B. II and III
C. III and IV
D. I and III