What is most likely causative organism?

A neonate is is found to have increased irritability, poor feeding, & 2 episodes of seizures. Lumbar puncture was done & the findings were suggestive of meningitis. What is most likely causative organism ?

A) Streptococcus agalactiae

B ) E. coli

C) Neisseria meningitides

D) Listeria monocytogenes

For neonate organisms are gram.negative ones so here ans should.be e.coli