given that disaster tend to be repetitive events they form a cycle that can be divided into phases or mitigation , preparedness ,response , and delivery , incl

given that disaster tend to be repetitive events they form a cycle that can be divided into phases or mitigation , preparedness ,response , and delivery , including reconstruction .
the bold modal "can" in the first sentence of paragraph 3 is used to express
A. advice
B. ability
C. obligation
D. request
E. suggestion