Naomi Fisher, a Sales Manager at Pure, a Water Purifier

Naomi Fisher, a sales manager at Pure, a water purifier company, had a new member, Leah Marshall join her team. Though during Leah's interview, Naomi felt she would be a productive sales executive, her performance has often been below the mark. Consistently in the past three months, Leah has been unable to reach her targets and is falling substantially behind on her annual targets. Naomi assumes that Leah is not determined and motivated enough to do what it takes. Which of the following, if true, weakens Naomi's assumption?

A) Leah has often arrived late for team meetings conducted in the morning.
B) Leah has been assigned a sales territory where consumers are from low income groups.
C) Research showed that the company's largest competitor had a lower turnover than they did.
D) Naomi recently received feedback from other team members that Leah is often uncooperative.
E) Leah has good interpersonal skills and gets along well with her customers.