问题

When he was at a loss as to which direction to go _______, he tried to find someone for help, but there was ______ to ______.
A:to; none; discover;
B:in; no one; turn to
C:for; none; ask;
D:in; nothing; require;
B:in; no one; turn to
C:for; none; ask;
D:in; nothing; require;
正确答案是: