Match the column of bioactive substances and their roles and select the correct option.

	Bioactive substance		Role
i	Stain	(A)	Removal of oil stains
ii	Cyclosporin A	(B)	Removal of clots from blood vessels
iii	Streptokinase	(C)	Lowering of blood cholesterol
iv	Lipase	(D)	Immunosuppressive agent

• A

  i-B, ii-C, iii-A, iv-D

• B

  i-D, ii-B, iii-A, iv-C

• C

  i-D, ii-A, iii-B, iv-C

• D

  i-C, ii-D, iii-B, iv-A