Medicare Part A provides hospital. coverage. Which of the following individuals are eligible for coverage under Part A$?$

I. Joseph, $65,$ who is eligible to receive railroad retirement benefits but has not filed for them yet

II$.$ Juan, $30,$ who has been disabled for four years and has received a disability check from Social Security for the past two years

III. Penelope, $61,$ who is receiving kidney dialysis treatment and is in end$-$stage renal failure

IV$.$ Anna, $72,$ who has just started receiving benefits from Social Security

A$.$ I, II$,$ III, and IV

B$.$ I, II$,$ and IV

C$.$ Ill and IV

D$.$ Il and III