Answer:
Option C
Explanation:
Carole has 500 shares and thus he is the share holder of the GH Inc. Since a shareholder is equivalent to some one who holds the company's stock and hence Carole can be considered as stock holder too. Stock holders are not member of board of directors however, they vote while selection of members of board of directors.
The are not partners as they have no share in investment and profit.
Thus, option C is the correct answer