What type of regulations did the canadian government set to prevent too much human activity in the british columbian coastal forests?

i. limiting the number of pipe lines

ii. only allowing gold and silver mining during a certain time of year

iii. only allowing certain tankers to travel close to the coast

iv. limiting the amount of logging allowed in the region

a.

i. and ii. only

b.

i., iii., and iv. only

c.

ii., iii., and iv. only

d.

i., ii., iii., and iv.