Now Shopping Mall Corporation Leases Space to Only U Stores

Now Shopping Mall Corporation leases space to Only U Stores and Pik-Ur-Choice,Inc.Later,Pik-Ur-Choice begins to sell items that are similar to Only U's goods,and Only U abandons its space before the end of the lease term.Only U is liable to

A) not Now or its other tenants.
B) Now and its other tenants,except Pik-Ur-Choice,for any effect on their business.
C) Now and its other tenants,including Pik-Ur-Choice,for any effect on their business.
D) only Now for the unpaid rent.