Final answer:
The current Lieutenant-Governor of Ontario as of 2023 is Elizabeth Dowdeswell. This position is appointed by the Crown and conducts constitutional and ceremonial duties.
Step-by-step explanation:
The current Lieutenant-Governor of Ontario, as of the knowledge cutoff date in 2023, is Elizabeth Dowdeswell. This role is historically appointed by the Crown and acts as the provincial representative of the monarch in Ontario.
It's important to understand that the Lieutenant-Governor carries out a variety of constitutional and ceremonial duties. The other options listed, such as James Bartleman, David C.
Onley, and Belinda Stronach, are incorrect in the context of the current Lieutenant-Governor as of the last updated information.