Read the following context and choose the best option to answer the question.
Context: Thank you every one for your greetings and gifts ! Even though I had to work , I had a really great day . Mom , Kelly and I went out dinner , and I had my favorite cake . It was great to hear from Sean and Kate .
Question: why did they receive gifts and go to dinner ?
Options: 
A. they were celebrating something on that day
B. he wanted to eat cake
C. he wanted to hear from Sean
D. None of the above choices .


A