Question

Why did his father look worried?

Answer 1

Because he didn't understand such silly questions which are published without tasks.

Answer 2

Почему его отец смотрел взволнованно? Because, he knew the truth about his son. Потому что, он знал всю правду о своем сыне

Answer 3

His father looked worried because he had received some concerning news or noticed something troubling. It could be related to various aspects of their lives such as their family, work, or health. The exact reason for his worry would depend on the specific context or situation. It is important to note that without additional information, it is difficult to provide a more specific answer.