During nodule formation in leguminous plants, an infection thread is produced carrying the (i) into the (ii) of the root, where they initiate the nodule formation in the (iii) of the root. Fill up the blanks by choosing the correct option.
A. `{:("(i)","(ii)","(iii)"),("Cyanobacteria","pericycle","cortex"):}`
B. `{:("(i)","(ii)","(iii)"),("bacteria","cortex","cortex"):}`
C. `{:("(i)","(ii)","(iii)"),("Cyanobacteria","cortex","pericycle"):}`
D. `{:("(i)","(ii)","(iii)"),("bacteria","pericycle","pericycle"):}`
