Consider the following four statements (A-D) and select the option which includes all the correct ones only:
Single cell Spirullina can produce large quantities of food rich in proteins, minerlas, vitamins, etc.
Body weightwise, the micro-organism Methylophilus methylotrophus may be able to produce several time more proteins than the cows per day
Common button mushrooms are a very rich source of vitamin-C
A rice variety has been developed which is very rich in calcium.

Options

A. Statements (C ) and (D)
B. Statements(A), (C ) and (D)
C. Statements (B), (C ) and (D)
D. Statements (A) and (B)