The correct options are
A Pulses
C Grains
D Millets
Pulses are the principal source of proteins. E.g. black gram, cow pea etc.
Grains are often described as cereals. They are small, hard, and dry seeds. E.g. rice, wheat.
Millets are coarse grains where the protein content is said to be higher. E.g. jowar, bajra.