This April, three out of seven people will file tax returns with a disk found in software stores and accounting texts

(A) tax returns with a disk found in software stores and accounting texts
(B) a tax return with a disk found in software stores and accounting texts
(C) tax returns with disks found in a software store and an accounting text
(D) tax returns with a disk found in a software store and an accounting text
(E) a tax return with a disk found in a software sotre and an accounting text