$\text{BF}_3$ reacts with $\text{NH}_3$ to produce a lone compound with a simple molecular structure. $\text{BF}_3 + \text{NH}_3 \rightarrow \text{F}_3\text{B--NH}_3$ Which row shows how the bond angles alter during the reaction?
- A$\text{F--B--F}$ bond angle decreases; $\text{H--N--H}$ bond angle decreases
- B$\text{F--B--F}$ bond angle decreases; $\text{H--N--H}$ bond angle increases
- C$\text{F--B--F}$ bond angle increases; $\text{H--N--H}$ bond angle decreases
- D$\text{F--B--F}$ bond angle increases; $\text{H--N--H}$ bond angle increases