Ana and her husband sought the help of a doctor because of pelvic pain and difficulty with urination

Ana and her husband sought the help of a doctor because of pelvic pain and difficulty with urination. An antibiogram of both spouses shows Chlamydia trachomatis infection.
About ten days after taking the same prescribed treatment Ani’s symptoms returned and her husband did not. What is the possible reason for the onset of symptoms?
A. Chlamydia trachomatis does not respond to antibiotic treatment
B. Ana became resistant to the prescribed antibiotic
C. Ana’s husband should have been treated with the same antibiotic
D. Ana did not take antibiotics regularly.

Ans D