Fact Pattern 18-1 Echo Takes Her Car to Fix-It,Inc.,which Repairs the Car and the Car

Fact Pattern 18-1
Echo takes her car to Fix-It,Inc.,which repairs the car and bills Echo for $500.Echo writes out a check drawn on Capital Bank,but later,believing that Fix-It did not repair the car properly,issues a stop-payment order.
-Refer to Fact Pattern 18-1.Capital Bank

A) is liable to Fix-It for the amount of the check.
B) must stop payment if Capital has a reasonable time to act.
C) need not stop payment unless Echo had a valid reason to act.
D) need not follow Echo's order unless the check was certified.