Read the text below:
'Traveling solo for the first time taught me invaluable lessons about self-reliance and problem-solving. When my flight was unexpectedly delayed for 12 hours in a foreign city, I had to quickly adapt, find alternative accommodation, and reschedule my connecting train. Although stressful at the moment, these challenges built my confidence and made me realize how capable I truly am.'
What did the author learn as a direct result of their solo travel experience?
A) How to avoid flight delays and missed connections.
B) The importance of having travel insurance.
C) Invaluable lessons about self-reliance and problem-solving.
D) That traveling alone is too stressful and should be avoided.
E) How to find the cheapest alternative accommodation options.