Option 1: US Open—French Open—Australian Open—Wimbledon

Option 2: Australian Open—French Open—Wimbledon—US Open (Correct Answer)

Option 3: French Open—Australian Open—US Open—Wimbledon

Option 4: Wimbledon—French Open—US Open—Australian Open

The correct chronological order of holding the Grand Slam tennis tournaments every year is option 2: Australian Open—French Open—Wimbledon—US Open.

The Australian Open is the first Grand Slam tournament held every year, usually in January. It is followed by the French Open, which takes place in late May and early June. Wimbledon, the oldest tennis tournament in the world, is then held in late June and early July. Finally, the US Open concludes the Grand Slam season, taking place in late August and early September.

It is important to note that the order of the tournaments is subject to change due to unforeseen circumstances, such as the COVID-19 pandemic, which has caused the rescheduling of tournaments in the past.