【名词&注释】
海洋环境(marine environment)、化学品船(chemical tanker)、散装化学品(chemical in bulk)、适用于(suitable for)
[单选题]Where a charter-party states that a claim will be barred unless the claimant appoints an arbitrator within a specified period,the nominated arbitrator must be actually()within that period that has been appointed.
A. informed
B. performed
C. deformed
D. reformed