How Does Effort Play a Role in the Cycle of Failure

How does effort play a role in the cycle of failure?

A) Low self-esteem leads directly to reduced effort,which in turn produces high anxiety.
B) Low self-esteem leads to a low performance expectation,which in turn leads to reduced effort.
C) High anxiety leads to low self-esteem,which in turn produces increased effort on a task.
D) Reduced effort is a direct consequence of high anxiety felt by low self-esteem children.