Look for words that indicate cause effect relationship

Words that express the cause and effect relationship

These mentioned words reflect cause and effect relationship between the two things. These words give answer of “why”. They tell reason or cause. It is explained in example mentioned below:

Here, “for” develops a relationship of cause and effect. Part of the sentence that follows it tells the reason for “tarantulas’ little sense of —-”. Reason is that “it will ignore a loudly chirping cricket”. Apparently it is because that tarantulas does not hear loud chirps of the cricket. Hence choice is (C) is correct answer.