`{:(1.,"Isocitrate" ,(i),"4C compound"),(2.,"Succinate",(ii),"5C compound"),(3.,"Pyruvate",(iii),"6C compound"),(4.,alpha-"ketoglutarate",(iv),"3C compound"):}`
A. `{:(1,2,3,4),(iv,iii,I,ii):}`
B. `{:(1,2,3,4),(ii,I,iii,iv):}`
C. `{:(1,2,3,4),(iii,I,iv,ii):}`
D. `{:(1,2,3,4),(I,ii,iii,iv):}`
