If a coworker offers you constructive criticism, you should
a. ignore his or her comments.
b. criticize the person in return.
c. accuse the person of unprofessionalism.
d. accept the criticism graciously.

D). Accept the criticism graciously.

Explanation:

As per the question, if a coworker proposes you with 'constructive criticism', you must 'accept it graciously' as such criticism affects your performance positively and transform the outcome by rectifying the mistakes. Constructive criticism may include both types of remarks(positive and negative). Such remarks propose logical and rational opinions about the job or work of others. Such criticism should be taken generously as it helps to know that how one's doing at his/her job and also know the areas you need to work upon which would aid to comprehend your performance positively. Thus, option D is the correct answer.

mla format- ridge, kari. letter to davis hamletter. 17 apr. 2009. ms. n.p.

apa format- ridge, k. (2009, april 17). [letter to davis hamletter].