Match the compounds given in column I with the number of carbon atoms present in them which are under column II.
Column IColumn IIA. Oxaloacetate1. 6 C-compoundB. Phosphoglyceraldehyde2. 5 C-compoundC. Isocitrate3. 4-C-compoundD.α−ketoglutarate4. 3 C-compound5. 2-C compound