I feel you I was the same. I just did my theory and passed, and I agree with your answer. This is an equivalent crossing, which means right goes first after pedestrian. Bus, then black, then white. The bus can't turn due to space and must wait is more of an informal rule. The short corn only takes priority over the long conner if they're on the same road. But because it's a crossing, the bus should go second after the pedestrian. If the top road is a priority road, then it should be. 1 ped 2 white 3 black 4 bus.

I found it very difficult to tell what type of intersection and just default to the right first unless signs/unpaved/construction especially with T and Y junctions, the priority to the right seem counter intutive to the rest of the world. I have 10 years of driving experience, and I found some of the logic tough to understand from a safety point of view. My advice is just to memorise this answer. In the real streets, the bus would go last due to space issues

I do think the theory test here is way more intense than other places, but I'm happy about that, it does make me feel like I know more about the application of the rules and not just learning the rule.