You cannot tell If there is any sugar or sweetener of any kind in that drink, however statistically likely it has it or not.

Secondly if that is a cold brew coffee which is what it looks like to me, you are absolutely incorrect. Cream isn’t milk, and it makes a coffee look exactly like that. Most non dairy creamers also look the same way. Almond milk in my experience is a bit thinner and is more like actual milk than cream or oat milk, but still that cup looks like it is mostly coffee and ice