Answer the Question That Follows This SPSS Output

Multiple Choice

Answer the question that follows this SPSS output:
  The frequency table represents the responses of 1980 GSS middle-age adults when asked how happy they were in their marriage. Which of the following statements is correct?

A) More than 25% of the respondents were not asked this question.
B) Of those who answered this question, 49.1% said they were very happy.
C) Of those who answered this question, 33.3% said they were pretty happy.
D) There were 212 valid answers to this question