How many lines of service be affected?

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 Jan 10th, with the temperature at 15 degrees Fahrenheit, it snows all day. On how many lines will service be affected, including both morning and afternoon?

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



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