Exam 1z0-148 topic 1 question 70 discussion

Actual exam question from Oracle's 1z0-148

Question #: 70
Topic #: 1

Examine this code (all compiled into schema HR):

Execute this code:
SET SERVEROUTPUT ON;

EXEC test_pkg.do_stuff -
What is the correct output?

A. LexDepth Dynamic Depth Name ----------- ------------------- ------------------------------------------- 0 6 ___anonymous_block 1 5 package body HR.TEST_PKG 2 4 package body HR.TEST_PKG 3 3 package body HR.TEST_PKG 4 2 package body HR.TEST_PKG 0 1 procedure HR. FORMAT_CALL_STACK_12C
B. LexDepth Dynamic Depth Name ----------- ------------------- ------------------------------------------- 0 6 ___anonymous_block 1 5 TEST_PKG.DO_STUFF 2 4 TEST_PKG.DO_STUFF.NP1 2 3 TEST_PKG.DO_STUFF.NP1.NP2 2 2 TEST_PKG.DO_STUFF.NP1.NP2.NP3 0 1 FORMAT_CALL_STACK_12C
C. LexDepth Dynamic Depth Name ----------- ------------------- ------------------------------------------- 0 6 ___anonymous_block 1 5 TEST_PKG.DO_STUFF 2 4 TEST_PKG.DO_STUFF.NP1 3 3 TEST_PKG.DO_STUFF.NP1.NP2 4 2 TEST_PKG.DO_STUFF.NP1.NP2.NP3 0 1 FORMAT_CALL_STACK_12C
D. LexDepth Dynamic Depth Name ----------- ------------------- ------------------------------------------- 0 6 ___anonymous_block 1 5 DO_STUFF 2 4 NP1 3 3 NP2 4 2 NP3 0 1 FORMAT_CALL_STACK_12C
E. LexDepth Dynamic Depth Name ----------- ------------------- ------------------------------------------- 0 6 ___anonymous_block 1 5 package body HR.TEST_PKG 2 4 package body HR.TEST_PKG 2 3 package body HR.TEST_PKG 2 2 package body HR.TEST_PKG