单项选择题

For the second consecutive summer, the community center will be offering American sign language and performing arts. The series of classes, seminars and workshops are designed to develop special skills needed to use American sign language on the stage. Beginning and advanced students will learn acting and main techniques. The course last four weeks, credit is awarded by the state college upon completion of program. Classes are also offered for deaf children and adults. For more information on this program, please call 5553080.

Approximately how long will the course last().

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