In contrast to Annelids, Platyhelminths show
1. Absence of body cavity
2. Presence of pseudocoelom
3. Radial symmetry
4. Bilateral symmetry 

The diagram given below shows the germs layer. The animals having structures shown in the figures A and B are respectively called

Consider the following features:

(a) Organ system level of organization

(b) Bilateral symmetry

(c) True coelomates with the segmentation of the body

Select the correct option of animal groups that possess all the above characteristics.

1. Annelida, Mollusca and Chordata

2. Annelida, Arthropoda, and Chordata

3. Annelida, Arthropoda, and Mollusca

4. Arthropoda, Mollusca, and Chordata