With Respect to Any Right of a Lessee to Assign

With respect to any right of a lessee to assign (sublet) its leasehold interest

A) it is an absolute right under Common Law,but greatly restricted by statute.
B) it is greatly restricted at Common Law,but significantly expanded by statute.
C) it is entirely governed by statute.
D) it would be entirely governed by the terms of the lease.
E) answer d would be correct if it was a commercial tenancy.