[单选题]
A hot air balloon rises to pz+5e mcc7ph;an altitud0nq2 ay adna(cjj6vty 7a x8p3u,,-l fe of 600 fathoms. What is this height, in feet? y,n x78-acj n0a3t6ayqf dvpj(,2 lau ($1 \; fathom = 6 \; ft$)
A. $100 \; ft$
B. $600 \; ft$
C. $1200 \; ft$
D. $3600 \; ft$
