The stranger's interaction with Elisa was a bit awkward since they were not introduced formally and Elisa was a bit professional as she entertains the stranger. On the other hand, Elisa was comfortable with Henry since they have been friends for a while already.
 
        
             
        
        
        
The correct answer is the second option - <span>to occur unexpectedly and have destructive or harmful effects.
</span>Here, the word struck is just a past form of the verb to strike, meaning to happen unexpectedly and have dire consequences, like an earthquake can hit California, in this case. The final definition is a noun, and does not fit in the context of the original sentence. 
        
                    
             
        
        
        
Answer:
1. Rosalind Graham
2. She is a ballet dancer for Royal Ballet.
3. No
4. She's bathing.