I know with my full ability I will not be able to complete the full marathon without injure myself . Mentally I am ready but physically not ! It is a bad time to be out of training particularly triathlon season is beginning in next few months . So , I ' m thinking of doing a half this year ... .
Why do n't I have my full ability to complete a full marathon this year ?
Pick the best answer from the following options:
A. I suffered an injury last year but have been able to practice enough since then .
B. I suffered an injury last year and have n't been able to practice as much since then .
C. I suffered an injury this week and have n't been able to practice as much since then .
D. I was injured badly this week and have been unable to practice enough to be ready .


B