Although the skier has a jacket on, she is still cold. How can her circulatory system help keep her warm? A. The arterioles at the surface of her skin can vasoconstrict so more heat leaves her body;
B. The arterioles at the surface of her skin can vasodilate so less heat leaves her body;
C. The arterioles at the surface of her skin can vasodilate so more heat leaves her body;
D. The arterioles at the surface of her skin can vasoconstrict so less heat leaves her body;

the present continuous is a verb tense which is mainly used to indicates that an action is in progress at the moment of speaking.  

it is formed using: person + verb to be (am/is/are) +verb + - ing form  

example: i am studying at this moment .

in addition, the present continuous is also used in order to express things that will or will not happen in the near future.

example: i am having dinner with some friends tonight.

the speaker sometimes   uses it   to express that an action is repeated and it causes irritation on the part of the speaker

example: my sister is constantly complaining about everything.

the answer is   c the cold war

the answer is allusion. give me brainliest

c. there are many strengths