What,if anything,is wrong with this sentence?

An appeals court ordered the money
returned,however,the IRS didn't comply.

A. PROPERLY CONSTRUCTED SENTENCE
B. LACKS PARALLEL PARTS
C. DANGLER
D. COMMA SPLICE

I THINK THE CORRECT ANSWER IS:
(B)LACKS PARALLEL PARTS

AM I CORRECT?

No. See the following:

http://grammar.ccc.commnet.edu/grammar/runons.htm

http://grammar.ccc.commnet.edu/grammar/clauses.htm
Scroll to the section on Independent Clauses.

http://grammar.ccc.commnet.edu/grammar/marks/semicolon.htm

Let me know what you think.

=)

comma splice