In the most usual configuration, the C-pillar supports the rear window, however, depending on configuration, the final pillar can be B, D, or even higher in more extreme examples.
The final pillar can be B. This is depending on configuration. This is in the most usual configuration. The final pillar can be D. This is depending on configuration. This is in the most usual configuration. The final pillar can be even higher in more extreme examples. This is depending on configuration. This is in the most usual configuration. The most usual configuration is the C. This is however. Pillar supports the rear window. This is however.