A certain city is served by subway lines A, B, and C and numbers 1, 2, and 3 When it snows, morning service on B is delayed When it rains or snows, service on A, 2 and 3 are delayed both in the morning and afternoon. When temperature falls below 30 degrees Fahrenheit afternoon service is cancelled in either the A line or the 3 line, but not both. When the temperature rises over 90 degrees Fahrenheit, the afternoon service is cancelled in either the line C or the 3 line but not both. When the service on the A line is delayed or cancelled, service on the C line which connects the A line, is delayed. When service on the 3 lines is cancelled, service on the B line. Which connects the 3 lines is delayed.
On Aug 15th with the temperature at 97 degrees Fahrenheit it begins to rain at 1 PM. What is the minimum number of lines on which service will be affected?

A. 2
B. 3
C. 4
D. 5

Ans:C