Which answer figure will complete the pattern in the question figure?

Spider: Insect :: Crocodile : ? 

A person walks 8 km. in the East direction. Therefrom, he moves 5 km. in the North-West direction. From that place he walks 6km. in the South direction. His last point will be in the direction _______ from starting point?  

Seeta and Geeta started walking from a point A. Seeta walks 6 km towards North and then takes a right turn and walks 3 km . She then takes a right turn towards South and walks for 6 km. She again takes a left turn and walks 3 km, and reaches a point B. Geeta walks for 3 km towards West and takes a left turn and walks for 6 km; she takes a left turn and walks 9 km, and she reaches at a point C. How far is the point B from point C?

Directions: In each question below are two/three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follow (s) from the statements disregarding commonly known facts.
Statements:
Some notes are coins.
No coin is a card.
Conclusions:
I. All cards can be notes.
II. Some notes are neither coins nor cards.
Give Answer
(A) if only conclusion I follows.
(B) if only conclusion II follows.
(C) if either conclusion I or conclusion II follows.
(D) if neither conclusion I nor conclusion II follows.
(E) if both conclusion I and conclusion II follows.

Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
_sr_tr_srs_r_srst_