Which client statement confirms that the client who is being treated for a sexually transmitted infection (STI) has understood the nurse's instruction regarding future sexual contacts?
a) "I will abstain from sexual activity until the medication is finished."
b) "I will resume sexual activity with my partner once the symptoms subside."
c) "I will use a condom during sexual activity even after the treatment."
d) "I will inform my partner only if the symptoms reappear."