Which is error about the axon.

A、Thereisonlyoneaxonineachneuron;
B、Cannotsynthesizeproteininaxon;
C、axonscanbeinvolvedinmaterialtransportandspiritualimpulsetransmission;
D、Thestructureoftheaxonissimilartothenucleus;
E、Thelengthofneuritisisdifference