No - grants are issued to users, not schema's.
Grants are issued for object usage; an object
belongs to a schema, which belongs to a user.

What are you trying to do?
Log on as A, and create view B.a_view as select ...
from C.a_table?

Grant create any view to A.
C has to grant select on a_table to B.

switch schema will just change the "create view b.a_view"
to "create view a_view".
In both cases B will own the view:

Oracle9i Enterprise Edition Release 9.2.0.6.0 - Production
With the Partitioning, Oracle Label Security, OLAP and Oracle Data
Mining options
JServer Release 9.2.0.6.0 - Production

SQL> show user
USER is "SYSTEM"
SQL> create view scott.a_view as select * from dual;
View created.

SQL> select owner, view_name from dba_views where view_name='A_VIEW';
OWNER                          VIEW_NAME
------------------------------ ------------------------------
SCOTT                          A_VIEW

SQL> drop view scott.a_view;
View dropped.

SQL> alter session set current_schema=SCOTT;
Session altered.

SQL> create view a_view as select * from dual;
View created.

SQL> select owner, view_name from dba_views where view_name='A_VIEW';
OWNER                          VIEW_NAME
------------------------------ ------------------------------
SCOTT                          A_VIEW