Anna has finished her work, now she is ____ home.

The sentence “Anna has finished her work, now she is ____ home” requires “going” to indicate a current action in the present continuous tense (is + verb-ing). The word “now” suggests an ongoing process following her work’s completion. In English, the present continuous describes actions happening at the moment. Options B (past participle), C (simple past), and D (simple present) do not align with the current action, making A the correct choice.