Which of the Following,if True,would MOST Weaken Jonathan's Contention

Multiple Choice

Which of the following,if true,would MOST weaken Jonathan's contention?

A) AB Distributor's clients are happy with the company's services.
B) Shipping costs for the industry have significantly increased over the last year.
C) AB Distributor's employees are dissatisfied with the company's working conditions.
D) The shipping intermediary industry has experienced a slowdown overall.
E) Many of AB Distributor's employees are new to the business.