Yes, I agree that strategies which are used by language teacher makes learning easier, faster, more enjoyable, self directed, effective, and transferable to new situations like in online. The main reason is the presence of advance technologies which make easier to transfer the information from teachers to students. Online method of teaching allows students to learn language which are living in remote areas.
The answer for this problem would be J. Innocent should stay as “innocent”, there doesn’t need to be a comma after today and the comma is acting just fine in the place it is in.