I knew she was ____________ him when we met him for the first time.A. falling overB.falling forC.falling outD.falling through

1. Identify the Context

The sentence implies an emotional connection or attraction between "she" and "him." The missing word should reflect this sentiment.

2. Evaluate the Options

Let's analyze each option:

1. A. falling over - This phrase usually relates to physically collapsing or tripping, which does not fit the context.
2. B. falling for - This phrase indicates developing feelings of love or infatuation, making it a suitable choice.
3. C. falling out - This typically refers to a disagreement or ending a friendship, which is not relevant here.
4. D. falling through - This means that something has failed to succeed; it does not convey emotion.

3. Conclusion

Based on the analysis, the most appropriate choice is B. falling for, as it expresses the idea of developing romantic feelings.

Final Answer

The correct sentence is: "I knew she was falling for him when we met him for the first time."