Read the following context and choose the best option to answer the question.
Context: Anyway , the antibiotic that worked so well last time ( Mar 07 ) is not available until Monday but the doc does not want me waiting for 72 hours before starting treatment . The first substitute they tried is not available until Monday . So they 're trying a second substitute of a common one , in the cipro family , but using only half dose size .
Question: Why is the doctor being so pushy with the patient ?
Options: 
- They feel the patient is a jerk .
 - They feel the patient is lazy .
 - None of the above choices .
 - They feel they need immediate treatment .


They feel they need immediate treatment .