Fact Pattern 9-1 Sports Bar & Grill and Tea & Tarts Bakery Are

Fact Pattern 9-1
Sports Bar & Grill and Tea & Tarts Bakery are adjacent businesses with adjoining parking lots. Sports Bar offers Tea & Tarts a discount on purchases if the bakery will not tow the cars of Sports Bar's patrons who park in the bakery's lot.
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-Refer to Fact Pattern 9-1. Tea & Tarts's forbearance from towing is legally sufficient consideration​

A) ​because it is a promise of something of value.
B) ​only if Sports Bar's patrons park in Tea & Tarts's lot.
C) ​only if Tea & Tarts's customers cannot park in its lot because it is full.
D) ​under no circumstances.