og-101

Lois6669

OG:101. Heavy commitment by an executive to a course of
action, especially if it has worked well in the past,
makes it likely to miss signs of incipient trouble or
misinterpret them when they do appear.
(A) Heavy commitment by an executive to a course
of action, especially if it has worked well in the
past, makes it likely to miss signs of incipient
trouble or misinterpret them when they do
appear.
(B) An executive who is heavily committed to a
course of action, especially one that worked well
in the past, makes missing signs of incipient
trouble or misinterpreting ones likely when they
do appear.
(C) An executive who is heavily committed to a
course of action is likely to miss or misinterpret
signs of incipient trouble when they do appear,
especially if it has worked well in the past.
(D) Executives’ being heavily committed to a course
of action, especially if it has worked well in the
past, makes them likely to miss signs of incipient
trouble or misinterpreting them when they do
appear.
(E) Being heavily committed to a course of action,
especially one that has worked well in the past,
is likely to make an executive miss signs of
incipient trouble or misinterpret them when they
do appear.

我想问下E中ONE指代什么，是executive？one指代的用法到底是怎样？不了啊 。。。不一般是短语的核心词吗？

mudiduange

a course of action

糊涂的小黑

a  course of action不是核心词嘛？