Which Python code creates a VRF in an ACI tenant using the Cobra SDK? 

Answer options:

A. Vrf(fvTenant(uniMo, `CustA`), `CustA_VRF`)
B. Ctx(Tenant(uniMo, `CustA`), `CustA_VRF`)
C. Vrf(Tenant(uniMo, `CustA`), `CustA_VRF`)
D. Ctx(fvTenant(uniMo, `CustA`), `CustA_VRF`)

B