WHEN/A/DISAPPEAR/HAIR/IT/LONGER/NO/PURPOSE/SERVERS/USEFUL/WILL/ A....

89. When/a/disappear/hair/it/longer/no/purpose/servers/useful/will/

A. When hair no longer serves it, a useful purpose will disappear.

B. When hair no longer serves, it will disappear a useful purpose.

C. When hair will no longer disappear, it serves a useful purpose.

D. When hair no longer serves a useful purpose, it will disappear.