Sentence Correction

Outlining his strategy for nursing the troubled
conglomerate back to health, the chief executive's
plans were announced on Wednesday for cutting the
company's huge debt by selling nearly $12 billion in
assets over the next 18 months.
(A) executive's plans were announced on
Wednesday for cutting the company's huge debt
by selling nearly $12 billion in assets over the
next 18 months
(B) executive's plans, which are to cut the
company's huge debt by selling nearly
$12 billion in assets over the next 18 months,
were announced on Wednesday
(C) executive's plans for cutting the company's
huge debt by selling nearly $12 billion in
assets over the next 18 months were
announced on Wednesday
(D) executive announced plans Wednesday to cut
the company's huge debt by selling nearly
$12 billion in assets over the next 18 months
(E) executive announced plans Wednesday that
are to cut the company's huge debt by selling
nearly $12 billion in assets over the next
18 months

The answer is given as D.
I dont understand how?