The Grand Canyon is ______ (最宽外达两万四千米).

A．Delivery service manager and driver.
B．Teacher and student.
C．Lawyer and client.
D．Doctor and patient.

A．According to the Old Testament freshwater is available only in November.
B．Rainfall comes only in winter starting from November.
C．Running water systems will not be ready until next November.
D．It is a custom in that region that irrigation to crops is done only in November.