Answer:
The sentence "When I look into the small rectangle, I see a face looking back at me but I don't recognize it" is written in present tense. The same sentence properly written in past tense would be "When I looked into the small rectangle, I saw a face looking back at me but I didn't recognize it." Therefore, the correct answer is "When I looked into the small rectangle, I saw a face looking back at me but I didn’t recognize it."
Step-by-step explanation: