Which alternative command could you use to run the startmydb.sql script with SQL*Plus to start your Oracle 10g database?

Examine this startup script called startmydb.sql:
CONNECT myid/mypwd AS SYSDBA
STARTUP
EXIT
In Oracle 8i, you could have executed this script by invoking server manager with the command:
Svrmgr1 @startmydb.sql
Which alternative command could you use to run the startmydb.sql script with SQL*Plus to start your Oracle 10g database?

A.
sqlplus @startmydb.sql

B.
sqlplus -Sstartmydb.sql

C.
sqlplus -S @startmydb.sql

D.
sqlplus /NOLOG @startmydb.sql