Select the most appropriate option to fill in the blank.

She raced ______ towards the train.

frantically

The most appropriate option to fill in the blank is frantically.

The word "frantically" means "in a wild or uncontrolled way, showing or caused by great fear or worry". It is the most accurate word to describe the way the woman is running towards the train.

The other options are incorrect.

• Crazily means "in a very foolish or silly way". It is not the correct word to use in this sentence because the woman is not being foolish or silly, she is just being very anxious.
• Berserk means "in a wild or uncontrolled way, especially as a result of anger or excitement". It is not the correct word to use in this sentence because the woman is not angry or excited, she is just being very anxious.
• Hectically means "in a state of great activity and excitement". It is not the correct word to use in this sentence because the woman is not excited, she is just being very anxious.